... *86*26mm 3 wire Apply to all lamps T288F 4 wires touch switch Apply to incandescent lamps Rated voltage:110V/220VLoad ... toilet, balcony, garage, lamp automatic turn off places.Working principle:When the switch working,touch the metal panel, switch turn on, about 60 ... seconds ,and then automatic turn off.Warranty:2 years T288F 4 wires touch switch