Automatic Sensor Switch is based on infrared technology automation products - People come lamp lighting. People left lamp shutdown - Also has voice activation function - Cordial and friendly save energy and security - Suitable for corridor bathroom basement storage garage and other places of automatic lighting - Easy to install works only in dark light environment - Specifications: - Voltage: AC 180V~250V - Load power: energy saving lamp / daylight lamp - Sensor distance: 5m - Sensor angle: horizontal 120 degree vertical 100 degree - Light sensitivity: 4LUX - Time delay: 50 seconds - Color: White - Distance between lamp and switch shall be over 0.5m - Comes with English manual