... Widely used in various construction aisle stairs, toilets and other public places. Features and functions:1, Controlled by AF. Automatically detect ... inside the switch can automatically detect illumination. When in daytime and the illuminatin is high, it won’t work. Only ... 1,working voltage:175VAC~250VAC 50Hz2,power :incandescent lamp≤100W,energy saving lamp≤40W,3 way3,delay time:60S±20S4,trigger ...