Kasa Smart Outdoor Smart Plug KP400
Score: 81/100
Amazon Smart Plug
Score: 72/100Rankings
The Kasa KP400 is a dual-outlet outdoor smart plug with an IP64 rating, long Wi-Fi range and voice-assistant integration for up to 1875 W of power. It does not provide energy monitoring and is limited to 2.4 GHz Wi-Fi, requiring a GFCI-protected outlet for safe outdoor use. Ideal for homeowners who want reliable remote control of moderate-power outdoor devices such as lights or holiday decorations.
The Amazon Smart Plug is a Wi-Fi plug optimized for Alexa with built-in energy monitoring, offering easy setup and reliable control for small appliances. Its limitation lies in being Alexa-only and occasional Wi-Fi stability issues, making it less ideal for multi-platform homes. Best suited for Alexa-centric users seeking energy insights.
| Attribute | | |
|---|---|---|
1,875 Wbest | 1,800 W | |
125 Vbest | 120 V | |
15 Abest | 15 Abest | |
2 yearsbest | 1 years | |
| ↓ lower better | 290 g | 86 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power(2) | ||
Input Voltage (V) | 125 V | 120 V |
Maximum Power Rating (W) | 1875 W | 1800 W |
Features(1) | ||
Energy Monitoring | false | true |
General(2) | ||
Indoor Use | false | true |
Warranty (years) (years) | 2 years | 1 years |
Build & Design(3) | ||
Device Weight (g) | 290 g | 86 g |
Device Dimensions (L×W×H) (mm) | 58.2x60.5x124.6 mm mm | 80x38x57 mm mm |
Plug Type (Region) | US | NEMA 5-15P |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Amazon Smart Plug for its effortless Alexa integration, straightforward no-hub Wi-Fi setup, and useful energy-monitoring features, while noting its limited ecosystem support and slightly bulky form factor as drawbacks.
Everyday users appreciate the quick Alexa app setup, reliable on/off control, and value it adds to routine automation, but they frequently mention the plug's size and occasional Wi-Fi stability issues as pain points.
