UK Light Cannon eLED (L1) Rechargeable Dive Light with NiMH Battery/Charger Features: 2100 lumens on High / 900 lumens on Low setting Burn time of 2 hrs on High / 5.5 hrs on Low Uses a rechargeable airline safe NiMH Battery Pack - good for checked or carry-on baggage Waterproof to 500 ft / 150 m Triple high intensity LED array for maximum brightness Patented cooling system keeps LEDs from overheating for maximum performance Can be used with a pistol grip or lantern grip, or a video arm