... input voltage 4. 1 year warranty Item quality parameter :Features(wall type battery charger ):- High efficiency, high reliability, lost cost- AC input range ... cameras, surveillance video camera, other A/V products, cell phone charger, network information, security equipment, small home appliances, etc.YGY is ... ; win-win situation . ------SZYGY (DR-YK-17) 12W 12V 1A wall type battery charger