3000M 8-key Wireless Remote Control Ultra Long Range Transmitter

Feature: Working voltage: DC9V Size (mm): 127 x 41 x 20 Working frequency: 315MHz / 433MHz (optional) Coding type: Learning code (EV1527) Coding method: pad Color: Grey Battey is not includes It is specially reminded that the launching distance is 3,000 meters for the theoretical open space, the actual distance is 100-500 meters, and the distance is shortened in case of obstacles or interference, depending on the actual working environment. Package includes: 1 x Remote control