... : L52mm*D22mm*D18mm This product using the remaining power of car , energy conservation ; each charger can be used continuously for more ... 5000pcs .The torch rechargeable power supply is 12V , so any car , yacht , ship , as long as it is has 12v power ... Waterproof No need replacement batteries , save money and environmentally protection Car Cigarette Lighter LED Flashlight,Car charge LED Flashlight