As per this product discription you can insert Solar power wire, Battery in/out wire, Light wire, Fan wire, and also Only light wire into its port. but you need top insert proper + and – wire in it’s particular plugs. if it will not done properly then you can get harm in you device so, company will not responsible for that.

this deveice is very useful at your farm room , architec site room, or anywhere , where you want to use.

fan and light port can turn on at 24×7 hours. but when you turn on switch of “only night” plugged device then device will turn on at only one condition that till solar rise up on solar plate otherwise that device will turn off.

in front of device 3 lights blinks this condition : Red light (when charge battery by solar power), Yellow light (when battery will low), Green light (when power supplying to device by battery  power)