... -distance telecontrol 5.Vaild distance:radius 100m Commodity: wireless AV-RF transmitterAV signal to RF signal, the best solution is to change the ... RF signal through this product, and launch wirelessly in order to make sure the audiences.Key Features1. Spread Didtance effectively≥15m2. Wireless ... as 240V, 230V, 220V, 120V, 110V etc upon customers' requirement. wireless AV-RF transmitter