Description <br> Easy to install and can be used when attached to the wall <br> Brightness sensor linkage on-off device, switch, light bulb, socket, motor, etc. to achieve smart home <br> USB power supply, dont worry about running out of battery power. <br> <br> WiFi light sensor <br> Power supply: Micro-Usb DC 5V1A <br> Light range: 0-1000LUX <br> Detection level: 1-3 <br> Standby power consumption: less than equal 0.5W <br> Detection component: photosensitive diode <br> Wireless type: 2.4GHz <br> Wireless protocol: IEEE802.11b/g/n <br> Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. <br> Colour:White <br> Material:plastic <br> <br> Package Contents: <br> 1 x Light Sensor <br> <br> Only the above package content, other products are not included. <br> 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. <br>