... by swich or remote control7.Remote control,AvailableIn 10 meter 8.Rechargable battery ,Charging 2-3 ... lead batteries 4V.6000mAh, Recharge 5-6 hours, work 8-12 hours. LED Lifespan: ≥50000hrsProduct Advantage:1 ... :3.7V~1400mAh charge 3-4 hours, work 2-4 hoursRecharge battery :4V~4Ah(20hours) ... charge 7-8hours, work 12-14 hoursRecharge battery :12V~2200mAh charge8-10 hour, work 5-10 hours7, with 48- ...