1, good design 2, long distance(300m) 3, waterproof (ip44) 4, Anti-interference(1/6560) 5, CE, FCC, RoHS Product parameters : Remote control output<10mwRemote control voltage≤12VReceiver volume range25-85dbReceiver standby current<1.0mAReceiver voltage110-250VWireless distance300mWorking frequency315/433 MHzWeight/setabout 185gPacking/Ctn. size525MM*350MM*400MMQty/Ctn48PCSProduct Features: ...