The gadget is a wireless remote control key fob(transmitter), which comes with an ultra-strong function and brings you much convenience in your daily life. It supports remotely and wirelessly controls your garage door, electronic gates, electrical appliances and other telecommand equipment.
Specifications
| Model | R21 |
| Buttons | 2 |
| Remote Control Distance | up to 1000 meters |
| Learning Code | EV1527 |
| Frequency | 433MHz |
| Power Supply | 9V Battery |
| Country of Origin | China |
