1.universal 2.simple appearance 3.one to four keys 4.can load various types of light 5.rated power:<= 300W/ 1, wiring methods:Neutral wire;2, rated voltage: 50Hz/60Hz 90 ~ 250V AC;3, rated power: <= 300W / Each;4, the maximum allowable inrush current: 30A;5, the Working humidity: <= 90% RH;6, the working temperature: -10-50 degree;7, Load Type: Incandescent / Fluorescent / Energy Saving Lamp / ...