LB-SFT2000 is a multi-function diving light that comes with either an umbilical set up or with a standard battery ,ideal for tech diving and recreational diving .The light adopts SFT40 from Luminus , with a maximum brightness of 2000 lumens .The magnetic control button switch is designed for easy operation and can meet your requirements for multiple output modes . The light provides 2 hours burn time at the brightest mode and 8° beam angle spot . Specifications: Materials : T6061 aluminium with hard-anodized Light Source: Luminus SFT40 LED Life: 50000 hrs Waterproof to: 150 M Beam Angle: 8 degrees Battery: 3 x18650 battery pack Input Voltage:9-12.6 V Burning time: 2 hours (2000 lm) -4 hours(1000 lm) - 10 hours (500 lm) Package Include: 1* diving light (with 3* 18650 battery) 1*U-Shaped bracket Spare O ring