... 2,rechargeable, waterproof 3,with CE, ROHS remote control color change LED lit barProduct Advantage:1, Energy Envir, Modern Design,beautifull ... .8v===0.5ARecharge battery :FM 440 4V~4Ah(20hours) charge 7-8hours, work 12-14 hours5, with on/off swich.and ... hours, work 2-4 hoursRecharge battery :4V~4Ah(20hours) charge 7-8hours, work 12-14 hoursRecharge battery :12V~2200mAh charge8-10 ...