Nitesun DIV03 handheld flashlight utilizes the USA CREE XM-L2(U4) LED, providing a max output of 800 lumens with a lifespan of over 50,000 hours. Featuring a twist on/off switch at the head, very easy to operate and powered by 3*AA size dry batteries. Sealed and protected with 3 O-rings, constructed with 5mm toughened glass allows this light to be taken underwater to a maximum depth of 200m. Has an 8-degree beam angle, making this light absolutely the best choice as your back-up or primary light whether you are a technical or leisure diver.