Adopts FM wireless technology.
Fasten the 4 receivers to the small gadgets that you are always finding.
Press the matching button on the remote control key, your will find them.
The transmitter is powered by 1pcs CR1632 battery.
The receiver is powered by 1pcs CR2032 battery.
Weight: 101.65 g
Size: 20.514.5*1.5 cm
1 × Transmitter
4 × Receiver