
Force1 UFO 4000
Score: 48/100
Holy Stone HS210 Green
Score: 55/100Rankings

The Holy Stone HS210 is a compact nano-drone aimed at kids and beginners, offering durable construction, easy-to-use flight modes, and three batteries for up to 21 minutes total flight time, but its per-battery endurance and camera are modest.

The Force1 UFO 4000 is a compact, beginner-friendly quadcopter featuring bright LEDs, dual-speed modes, and safety functions like altitude hold and headless mode. It offers decent durability and dual batteries but suffers from short flight endurance and a remote that needs separate AAA batteries.
| Attribute | ![]() | ![]() |
|---|---|---|
18 minutesbest | 7 minutes | |
450 mAhbest | 250 mAh | |
— | 1,080 pbest | |
| ↓ lower better | 59 g | 38 gbest |
— | 48.8 mbest | |
| ↓ lower better | 80 minutesbest | — |
3.7 Vbest | — | |
2best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Design(1) | ||
Weight (g) | 59 g | 38 g |
Battery & Power(3) | ||
Flight Time (minutes) | 18 minutes | 7 minutes |
Battery Capacity (mAh) | 450 mAh | 250 mAh |
Charging Time (minutes) | 80 minutes | 40-60 minutes |
Accessories(1) | ||
Included Accessories | 3 | 4 |


Products in the top-left offer the best value (high score, low price).

Professional reviewers and retail editors consistently position the UFO 4000 as a leading entry-level drone, praising its user-friendly design, durable construction, and eye-catching LED lights. They highlight the dual-battery package as a key advantage over similar starter drones, noting its stunt features and simple one-key launch make it an attractive gift for beginners.
Everyday users overwhelmingly appreciate the drone's ease of use, bright LEDs, and durability, especially for indoor and calm-outdoor flights. Common praise centers on the fun flips and the value of two batteries, while recurring complaints focus on short flight times, long recharge periods, and occasional control jitter.

Professional reviewers note the HS210's standout ease of use, safety-focused design with propeller guards and auto-landing, and the advantage of three included batteries that extend total playtime, while acknowledging the basic camera.
Everyday users praise the drone's durability, safety features, and beginner-friendly controls, especially the auto-hover, headless mode, and 3D flip tricks, but complain about short per-battery flight time, long charging, and occasional signal drops.
“Easy to control, even for young children.”

“perfect for beginners”

“easy to fly indoors.”


