Use a mobile phone to turn on the light.
Demo video can be seen from the following address:
http://v.youku.com/v_show/id_XODcyNTI0MDY0.html
Use a mobile phone to turn on the light.
Demo video can be seen from the following address:
http://v.youku.com/v_show/id_XODcyNTI0MDY0.html