Plug-in use     Can connect to WiFi     Can be connected to a cell phone     easy installation     Light intensity can be detected          Description:     1.Easy to install, sticker to the wall, then connect to with and linkage to smart switch.     2.Sensitive to light.Smoth around, not easy to be bruised.     3.Lighting and brightness sensing linkage smart home, switch, lamp, socket, motor, etc.     Color: White     Material: plastic          Package Contents:     1 x Sensor     1 x usb cable          Only the above package content, other products are not included.     Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.                             Wifi Smart Light Sensor Waterproof Smart Brightness Sensor Indoor Light Intelligent Detector For Indoor Light Sensor                        Plug-in use     Can connect to WiFi     Can be connected to a cell phone     easy installation     Light intensity can be detected          Description:     1.Easy to install, sticker to the wall, then connect to with and linkage to smart switch.     2.Sensitive to light.Smoth around, not easy to be bruised.     3.Lighting and brightness sensing linkage smart home, switch, lamp, socket, motor, etc.     Color: White     Material: plastic          Package Contents:     1 x Sensor     1 x usb cable          Only the above package content, other products are not included.     Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.