Note: 1.The motion sensor night Light work in dark environment only.(Build in Light sensor)2.The Max number of wireless Ad-Hoc network is 20pcs, and the distance between the lights and the lights is recommended to be about 3M.3. When there are more than 3 lights, when the linkage lights work inductively, occasionally one or two lights will not receive the signal and light up, which is a normal phenomenon. Specification: Voltage:DC5VPower:0.2WCharging:USB Type-C ChargingBattery Capacity:400mAhMotion Sensor Mode Time:100 Days(Use 10 times a day)Sening Angle:110Delay Time:20sColor Temperature:2700KMeterial:Aluminum+ABS Feathures: In the Auto mode, the linkage models are connected with each other, and all lights will automatically light up when people come, which will automatically turn off after people leave for 20 seconds.