... .No voice when you turn on/off lights, keep your home or office silence.Single live wire control, easy to install ... incandescent, fluorescent lamps, led lamps and so on. Suitable for home, office, hotel, hospital and so on.Technical Parameters: Dimension: 86 ... than 300W Self consuming power: Less than 1mAOperating environment: -20~50°C, Less than 95%RHLife long: more than 100,000 ...