This is the XS Scuba LT360 Rechargeable Dive Light 1000 Lumens Torch Features: Magnetic switch offers variable light output Brightness - 50 lumens to 1000 lumens Battery duration - 60 hours to 2.3 hour Depth rated to 330 ft / 100 m Beam distance - 625 ft / 190 m Battery - Rechargeable Lithium Ion A rechargeable light, like the LT360, pays for itself quickly in battery savings. Furthermore, rechargeable lights are much brighter than their alkaline-consuming counterparts. Using 3 CREE LEDs with a wide angle reflector, this little light is all you need to light up the darkest nights. With a magnetic switch that provides variable power, you control the battery duration. Slide it up to 1000 lumens for a 2.3-hour duration or slide it back to 50 lumens and get an amazing 60-hour duration."