The two-way wireless remote control kit has waterproof case. Working distance can reach about 5000m. The kit can be used in home, agriculture and industry automation. Wireless remote control products on land, water and air, especially in a long distance, such as business signs, motorboat, farm, pasture, offshore unmanned operation, field call, remote security alarm, unmanned aerial vehicle, etc. br Model of Kit； 0020105 S2PUW-DC12-ANT2+1CC-2 br You can visit ... to view or buy these units.