| Highlights | Infrared remote control 3.5-channel flight Built-in gyroscope to add stability for the flight Supports flight and walking functions |
| General Specs | |
| Brand & Model | UdiRC U821 |
| Type | Infrared remote control |
| Gyroscope | Yes |
| Channel | 3.5 channels |
| Material | Plastic， alloy and electronic components |
| Remote Range | 10-15 m |
| Playing Time | 8-10 minutes |
| Charging Time | 50-60 minutes |
| Battery for Helicopter | 3.7V 180mAh |
| Battery for Remote Control | 6 x 1.5AA batteries (not included) |
| Functions | Flying Functions: upwards， downwards， forwards， backwards， 360 degree rotation， hovers; Walking Functions: forwards， turn left， turn right， drift |
| Ages Range | 14+ |
| Product Details (without package and accessories） | |
| Dimensions | 26.2 x 13.5 x 14.8 cm |