... in fire,greatly reduce the security risks.* With Led indicator,could find the position of the switch easily ... Applicable to all the common lamps,such as incandescent, fluorescent lamps, tubes,energy-saving lamps and motion sensor lamps, led lamps and so on. * ... to all the common lamps,such as incandescent, fluorescent lamps, tubes,energy-saving lamps and motion sensor lamps, led lamps and so on. * ...