220V Voice Sensor Switch Indoor Intelligent Auto On Off Lights Switch Automatic Voice Control Sensor Detector Switch Sound and light control switch parameters: Model Specifications: YX-520P Product size: 50*31mm Working voltage: AC110-220V Output voltage: AC110-220V Load power: LED40W Switching power: 0.1W Delay time: 30 seconds Voice Sensitivity: 50db5 Light control sensitivity: 15LUX5 How to install The red line is the live line, and the black line is the zero line. The red line and the black line are the input, and the input voltage is 220V. White is the output, the output is connected to the lamp package include1 *sound sensor switch Note: This product has a photosensitive element that does not light up during the day, which is normal