You Are Looking At A Bel & Howell Spot & Or Flood Light Camera Attachment, Part Number 41410 .. Must Be Either For Camera Or Tripod?? Switch On Back Reads For Spot Pull Out Or Flood Push In, Has Off/On Switch, Lamp Bulb Included Reads DVY 650 Watts , It's Blinding (Works).... Sold As Listed cause That's Really All I Know About It So Please ask Questions If Any!  Thanks For Looking & Please Enjoy My Other Listings!