PricepectAI-Verified Comparisons

Comparisons About

⌘K

Pricepect

Independent product comparisons to help you buy smarter.

Browse

Categories
Comparisons
Spec Comparisons
Head-to-Head
Search

Info

About
Privacy Policy
Terms of Service

Top Categories

Electronics
Home & Kitchen
Sports & Outdoors
Automotive

✓ Independent & Unbiased✓ AI-Verified Data✓ Expert-Reviewed

Pricepect participates in the Amazon Services LLC Associates Program. As an Amazon Associate, we earn from qualifying purchases. © 2026 Pricepect. All rights reserved.

SimpliSafe Entry Sensor — Review & Specs | Pricepect | Pricepect

Home Home Security SystemsSimpliSafe Entry Sensor

SimpliSafe Entry Sensor — image 1

SimpliSafe

SimpliSafe Entry Sensor

Expert Review Analysis

The SimpliSafe Entry Sensor is a wireless magnetic contact sensor designed for the SimpliSafe Gen 3 home security system, offering discreet detection for doors, windows, cabinets, and safes. It features a compact design with peel-and-stick installation, customizable alerts including silent 'Secret Alerts', and a long-lasting battery life of up to five years.

✓ Best for: DIY homeowners expanding a SimpliSafe system without wiring, renters requiring quick installs, and users monitoring entry points, securing cabinets or safes with Secret Alerts, or homes with uneven frames up to 2-inch gaps.✗ Not ideal for: Users requiring outdoor-rated sensors for exterior doors or windows, or those seeking broad smart home integration beyond the SimpliSafe ecosystem.

Pros

✓Peel-and-stick adhesive installation requires no tools or drilling for quick setup
✓Up to 5-year battery life with pre-installed CR-2032 lithium battery minimizes maintenance
✓

Best Seller Rank History

Now#30Best#19Worst#41 -11

Lower = better sales rank

Rating Trend

Rating4.8/ 5Reviews3,547+62 reviews

Specifications

Accessories

Included Items4 sensors with magnets, mounting plates, screws, pre-installed batteries

Battery

Battery Type1 CR-2032 Lithium 3V

Battery LifeUp to 5 years

Power SourceBattery-powered (wireless)

Connectivity

Range to Base StationUp to 1000 feet mm

CompatibilitySimpliSafe Gen 3 Home Security System

Design

Height2.7 inches mm

Width2.0 inches mm

Length0.12 inches mm

Weight0.06875 pounds g

Sensor Size (Web Research)1.25 x 1.5 x 0.62 inches

Features

Alert TypesInstant chime, Secret Alerts (silent), Alarm

Smart Tech EnabledYes

Professional MonitoringCompatible

General

BrandSimpliSafe

ModelENS304

ColorWhite

Release Date2020-10-05

Warranty1 year

Sensors

Sensor TypeMagnetic switch

Magnet Separation DistanceUp to 2 inches

Usage EnvironmentIndoor only

Alerts

Secret AlertsSilent phone notifications without sounding the alarm

Installation

Mounting OptionsPeel-and-stick adhesive or screws for permanent mount

Compatibility

System IntegrationCompatible with SimpliSafe Gen 3 home security system

Dimensions & Weight

Height2.7 inches

Width2.0 inches

Depth0.12 inches

Weight0.06875 pounds

Research Sources

support.simplisafe.com

virginiagleeclub.org

Similar Products

SimpliSafe 8 Piece Wireless Home Security System - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant , White

SimpliSafe 8 Piece Wireless Home Security System - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant , White

SimpliSafe

SimpliSafe 12 Piece Wireless Home Security System w/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant, White

SimpliSafe 12 Piece Wireless Home Security System w/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant, White

SimpliSafe

SimpliSafe 9 Piece Wireless Home Security System w/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe 9 Piece Wireless Home Security System w/HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe

SimpliSafe 5 Piece Wireless Home Security System - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant,White

SimpliSafe 5 Piece Wireless Home Security System - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant,White

SimpliSafe

ecobee SmartCamera with Whole Home Sensors Bundle with ecobee Smart Camera Indoor WiFi Security Camera, 2 Pack SmartSensor for Doors & Windows, and ecobee SmartSensor 2 Pack. Smart Home - Compatible with ecobee Smart Thermostats for Home, Wifi Contact Sensor for Home Security, Energy Savings - Compatible with Smart Thermostats

ecobee SmartCamera with Whole Home Sensors Bundle with ecobee Smart Camera Indoor WiFi Security Camera, 2 Pack SmartSensor for Doors & Windows, and ecobee SmartSensor 2 Pack. Smart Home - Compatible with ecobee Smart Thermostats for Home, Wifi Contact Sensor for Home Security, Energy Savings - Compatible with Smart Thermostats

ecobee

UYODM Solar Panel Compatible with SimpliSafe Outdoor Security Camera,Power Your SimpliSafe Outdoor Camera continuously, AL Alloy Frame Durable and Sturdy - Silver

UYODM Solar Panel Compatible with SimpliSafe Outdoor Security Camera,Power Your SimpliSafe Outdoor Camera continuously, AL Alloy Frame Durable and Sturdy - Silver

UYODM

UYODM 2PACK Solar Panel Compatible with SimpliSafe Outdoor Security Camera,Power Your SimpliSafe Outdoor Camera continuously,AL Alloy Frame Durable and Sturdy - Silver

UYODM 2PACK Solar Panel Compatible with SimpliSafe Outdoor Security Camera,Power Your SimpliSafe Outdoor Camera continuously,AL Alloy Frame Durable and Sturdy - Silver

UYODM

SimpliSafe 11 Piece Wireless Home Security System Gen 3 with Wireless Indoor HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant,White

SimpliSafe 11 Piece Wireless Home Security System Gen 3 with Wireless Indoor HD Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant,White

SimpliSafe

Burflo 2-Pack Rechargeable Battery for SimpliSafe Wireless Outdoor Security Cameras–Includes 2 Charging Cables &USB Wall Plug

Burflo 2-Pack Rechargeable Battery for SimpliSafe Wireless Outdoor Security Cameras–Includes 2 Charging Cables &USB Wall Plug

Burflo

Simplisafe Entry Sensor Adhesive | Mounting Tape for Simplisafe Door, Entry, and Contact Sensor | Easy Mount, No Cutting, Peel and Stick (5 Pack Sensor + 5 Magnet Side)

Simplisafe Entry Sensor Adhesive | Mounting Tape for Simplisafe Door, Entry, and Contact Sensor | Easy Mount, No Cutting, Peel and Stick (5 Pack Sensor + 5 Magnet Side)

Security Sensor Spacers

anegine Extra Outdoor Camera Battery Pack 8000mAh with USB-C Charging Cable for SimpliSafe Wireless Outdoor Security Cameras (2-Pack)

anegine Extra Outdoor Camera Battery Pack 8000mAh with USB-C Charging Cable for SimpliSafe Wireless Outdoor Security Cameras (2-Pack)

anegine

Automatic Basketball Shooting Ma...

Replacement Adhesive for SimpliSafe Entry Sensors, Pre-Cut, Easy to Install, No Cutting Needed, Pack of 10 Sensor Pads & 10 Magnet Pads

Replacement Adhesive for SimpliSafe Entry Sensors, Pre-Cut, Easy to Install, No Cutting Needed, Pack of 10 Sensor Pads & 10 Magnet Pads

ONTEN

Adhesive Replacement Tape Compatible with SimpliSafe Entry Sensor – Pre-Cut, No Cutting Needed, Easy Installation, Pack of 12 Sensor Pads & 12 Magnet Pads

Adhesive Replacement Tape Compatible with SimpliSafe Entry Sensor – Pre-Cut, No Cutting Needed, Easy Installation, Pack of 12 Sensor Pads & 12 Magnet Pads

Crvicv

Garage Door Bracket Compatible w...

SimpliSafe Outdoor Security Camera Series 2, 1080p Wireless and Wired Home Security Camera, Compatible with Gen 3 System, Motion-Only Alerts

SimpliSafe Outdoor Security Camera Series 2, 1080p Wireless and Wired Home Security Camera, Compatible with Gen 3 System, Motion-Only Alerts

SimpliSafe

SimpliSafe 6 Piece Wireless Home Security System with Outdoor Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe 6 Piece Wireless Home Security System with Outdoor Camera - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe

SimpliSafe 7 Piece Wireless Outdoor Camera Home Security System - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe 7 Piece Wireless Outdoor Camera Home Security System - Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe

SimpliSafe 10 Piece Wireless Home Security System with Outdoor Camera- Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe 10 Piece Wireless Home Security System with Outdoor Camera- Optional 24/7 Professional Monitoring - No Contract - Compatible with Alexa and Google Assistant

SimpliSafe

Luxify Replacement Adhesive Pads for SimpliSafe Entry Sensor 10PCS, Pre-Cut Double Sided Tape Compatible with SimpliSafe Door Sensor, Easy Installation & Strong Hold

Luxify Replacement Adhesive Pads for SimpliSafe Entry Sensor 10PCS, Pre-Cut Double Sided Tape Compatible with SimpliSafe Door Sensor, Easy Installation & Strong Hold

Luxify

Featured in Comparisons

Blink Mini vs SimpliSafe Entry Sensor

pairwise

SimpliSafe Entry Sensor vs Ring Battery Doorbell

pairwise

SimpliSafe Entry Sensor vs Ring Outdoor Cam White

pairwise

User Reviews

Please sign in to leave a review

Sort by:

No reviews yet. Be the first to review!

4.8

(3,524 reviews)

$54.99

ENS304White 1 year manufacturer

Home Security Systems

2-inch magnet separation distance accommodates uneven door and window frames

✓Customizable alert modes include instant chime, full alarm, or silent Secret Alerts

✓Compact and tiny design allows for discreet placement on small surfaces like safes

✓1000-foot wireless range to base station ensures reliable connectivity throughout home

Cons

✗Indoor-only usage rating prevents installation on exterior doors or windows
✗Limited to SimpliSafe ecosystem with no broad third-party smart home integration
✗Occasional false triggers may occur on surfaces with significant unevenness
✗Ecosystem lock-in restricts compatibility with other security system brands

From Expert Reviews

Praised by Experts

✓Easy to install on every type of door or window with pre-installed battery
✓High responsiveness in door and window detection activities
✓2-inch magnet tolerance fits various door and window types effectively
✓Tiny design is ideal for securing cabinets, safes, and medicine areas

From User Reviews

Users Love

✓Quick and simple setup process described as a snap by everyday users
✓Reliable detection performance for monitoring entry points and cabinets
✓Long battery life reduces the need for frequent battery replacements
✓Chime alerts help users identify which specific sensor was triggered
✓App notifications provide convenient remote monitoring capabilities

Users Complain About

✗Occasional false triggers reported on uneven surfaces due to gap limits
✗Ecosystem lock-in prevents use with non-SimpliSafe security systems

Expert Opinion

Professional reviewers and editors praise the SimpliSafe Entry Sensor for its simplicity, reliability, and ease of installation. Best Buy highlights its high responsiveness and the convenience of the 2-inch magnet tolerance for various door types. SimpliSafe positions the sensor as essential for burglary prevention, noting that most break-ins occur via doors and windows, while retailers appreciate its effectiveness for securing cabinets and safes.

What Users Say

Everyday users commonly praise the quick setup, reliable detection, and long battery life of the sensors. Recurring positive themes include the utility of chime alerts for identifying specific triggers and the convenience of app notifications. While complaints are minimal, some users report occasional false triggers on uneven surfaces and frustration with the ecosystem lock-in.

Common Complaints

Occasional false triggers on uneven surfaces and ecosystem lock-in limiting compatibility with other brands.

What People Are Saying

“set-up a snap”
4/5 ★Walmart UserNov 2025

How It Compares

vs. Ring Contact Sensor

Advantages

✓SimpliSafe offers 5-year battery life vs Ring's 1-year battery life

Disadvantages

✗SimpliSafe is ecosystem-specific while Ring may integrate with Alexa

Choose SimpliSafe for longer battery life and SimpliSafe system integration; choose Ring for broader Alexa ecosystem compatibility.

vs. Wyze Contact Sensor

Advantages

✓SimpliSafe offers 1000-foot range vs Wyze's 200-foot range

Disadvantages

✗Wyze may offer broader Zigbee compatibility vs SimpliSafe's proprietary system

Choose SimpliSafe for superior range and battery life; choose Wyze for Zigbee compatibility and potentially lower cost.

vs. Abode Sensor

Advantages

✓Abode offers Zigbee compatibility for broader smart home integration

Disadvantages

✗SimpliSafe offers easier peel-and-stick installation vs Abode's screw options

Choose Abode for broad smart home integration via Zigbee; choose SimpliSafe for easier installation and proprietary system reliability.

SimpliSafe Entry Sensor vs Blink Mini Pan-Tilt

pairwise

SimpliSafe Entry Sensor vs TP-Link Tapo C210

pairwise

SimpliSafe Entry Sensor vs Blink Wired Floodlight

pairwise

SimpliSafe Entry Sensor vs TP-Link Tapo C110

pairwise

SimpliSafe Entry Sensor vs eufy SoloCam S340

pairwise

SimpliSafe Entry Sensor vs Arlo Essential 2K

pairwise

SimpliSafe Entry Sensor vs Aosu Security Camera

pairwise

SimpliSafe Entry Sensor vs Zmodo Mini Pro

pairwise

SimpliSafe Entry Sensor vs Wyze Floodlight Camera v2

pairwise

Canary Pro vs SimpliSafe Entry Sensor

pairwise