https://www.simplyscuba.com/products/Bigblue/TL3100PTorch.aspx The Bigblue TL3100P Torch is a tough powerhouse of a primary dive light. 3100 Lumens is bright enough for the darkest environment and tested to 100m this torch will keep up with you and light your way. Powerful Four settings from 310 Lumens up to 3100 Lumens from x3 XML LEDs illuminate the dive site in a tight 10° narrow beam. At minimum output the 3100 will shine for up to 15 hours or 1.5 hours at maximum. Tough The body of the torch is constructed from Anodised Aluminium alloy so it is light, corrosion-resistant and hard wearing. Tempered optical glass on the front of the torch protects the LEDs while letting the most amount of light out at 6500k. Features Safety Designs:Double o-ring sealed Switching System:Push button with battery indicator Specification Light Source:3 X XML LED Light Output:310 Lm (Level I), 775 Lm (Level II), 1550 Lm (Level III), 3100 Lm (Level IV) Casing Material:Aluminum alloy, anti-corrosive anodized Power Source:Rechargable Li-Ion BATCELL32650 Angle Of Light Beam:10º Narrow Beam Color Temperature:6500K Burn Time:1.5 hrs (Level IV), 3 hrs (Level III), 6 hrs (Level II), 15 hrs (Level I) Maximum Depth:100 M tested Size:Dia. 63 X L. 135.6 mm Weight:447 g (Including Battery) Bouyancy:-217 g (Including Battery) Front Glass:Tempered optical glass Lanyard:Yes Lantern Handles:Yes Package Weight Lbs:4 Torch Type Handheld Bulb Type LED Rechargeable Yes Lumens at Max 3100 Variable Output Yes Beam Angle Narrow Switch Type Manual Switch Burn Time at Max (Mins) 90 Maximum Depth (m) 100 Battery Level Indicator Yes Torch Body Material Anodised Aluminium To browse our huge range of top brand Scuba gear and equipment for all ages, with fast shipping and 28 day returns, visit http://www.simplyscuba.com For more helpful product videos plus expert swimming advice, head to http://www.youtube.com/user/SimplyScuba