... Detection distance:diameter 8m(adjustable) 4.High senstive KA-S02 infrared sensor switch specifications:1) Power source:100V/AC-130V/AC ... is a new saving-energy switch, it adopts good sensitivity detector, integrated circuit and SMT. It gathers automatism, convenient safe, ... inside compose a wide range detection field, it utilizes the infrared energy from human as control-signal source, it can start ...