The TLR-7 HL-X USB features 1,000 lumens and 22,000 candela when powered by one (1)Streamlight SL-B9 proprietary lithium-ion rechargeable battery pack. Multi-fuel capability also allows for operation with one (1) CR123A battery delivering 500 lumens and 11,000 candela, giving the user the ability to select the output that best suits the situation. Customizable rear paddle switches, momentary and constant on operation, and a programmable strobe mode offer additional versatility for tactical applications.