This is an AVDANCE 4hours Emergency Light WITH TWO FUNCTIONS for both STUDENT and NON-STUDENT. It automatically goes ON once there is public power FAILURE for four hours and automatically goes OFF immediately there is public power supply and start charging. Vise - Versa. While the second (2nd) FUNCTION is that You can connect to either your fans (ceiling fan / Standing Fans) , or your Light (search light, designers light or Normal light) or House Sockets and then you can use any REMOTE to either TURN ON that equipment/garget or TURN OFF that equipment/garget. For example if you are sleeping @ night and your fan is ON and you are feeling COLD @ Night and you don't want to Stand Up and go and turn off the fan from your BED, you can take any Remote e.g TV Remote, DVD Remote, Satellite Remote, etc to Turn off that fan from your bed without standing up from your bed. Note: Note only fan you can control with this product. You Can control any Electrical equipment / gadgets with it. for instant I can use any remote and this my Device to turn on or turn off Either all the fans, light or Electronics at once from my bed. So one can buy 3 in her house to control all the fans, Light , and Electronics using my product and any remote control. Is made in Nigeria by ME. And is ONE YEAR WARRANTY. Thanks for reading for more infomation about me, I have been publish and broadcast on The Nation Newspaper, The Champion Newspaper,The Advocate Newspaper,The Truth Newspaper,The Pointer Newspaper,DRTV Warri,DRTV ASABA, NTA, Cosmo FM Enugu, Voice of Nigeria (VON) , The Carbon Capture Report by the University of Illinois U.S.A , and BBC world news. I have been given scholarship in Nigeria by S.P.E section 103 River State, Port-Harcourt into Young Professional Body and University of illinois USA ordained me an International Budding SCIENTIST on oct 24th, 2012 for inquiry Google: "Scientist Emmanuel Obayagbona www.youtube.com/watch?v=dAzZP-45UQ8&sns=tw