... RoHs materials Smart Sockets---Loving caring for childrenFeatures1. SecurityUsing infrared sensor, it works in right time.2. Not electric ... works independently. We can see the picture, the light is on, but the test pencil which is ... power on. So, how about we take the light away, the jack still power on or not? ... Pls see the picture 3, we had take the light away, and then using test pencil to test ...