Item Type:SWITCHES Switch Type:Knob switch Certification:FCC, CE, CCC, ROHS Smart Device:no Size:86 x 86 x 35 mm Max Power Load:500W Mechanical Life:100000 Times LED Load:80W Working Temperature:-20℃~+70℃ Relative Humidity:95% Material:Glass Panel & Iron Plate & Plastic Switch Module Type:Mechanical Dimmer Switch Wire:No Neutral Wire