Ur coin have ac function,i am giving u checking step check and reply me if ok.take 2 100 watt balb & both attach with a extention wire or multipluger, placed both balb with some distance now coin check on one balb also watch another balb is fucntioning or not at the same time. Check and reply me on irfan45786@gmail.com sorry i can!'t give u my cell no. this time