... easy, use range (sitting room, bedroom, study,corridor, etc), function of advanced internal microwave sensors try productshumanized control.The microwave sensors ... control switch, thesecurity system, and automatic video control system of ATM, as well as otherautomatic induction control area. The ... , noise, air, dust, light…3.RFinterference ability, 4.Transmission power only 0.3 mW, It will not harm the ...