The multi-fuel, low-profile TLR RM 1 HL-X features a longer reaching, tighter beam and enhanced lumens and candela when using our SL-B9 rechargeable battery pack. Independently operating push-button and remote pressure switches provide the security of knowing you'll always have light. Multi-fuel: Uses (1) Streamlight SL-B9 protected Li-Ion USB-C rechargeable battery pack (included) or (1) CR123A lithium battery SL-B9: 1,000 lumens; 22,000 candela; 297m beam; runs 30 minutes CR123A: 500 lumens; 11,000 candela; 210m beam; runs 1.5 hours Features independently operating push-button and remote pressure switches Remote pressure switch exits at 90Adeg providing improved wire routing while preserving rail space Safe-off feature prevents accidental activation; saves batteries Engineered optic produces a concentrated beam with optimum peripheral illumination Securely attaches to long guns with MIL Standard 1913 rails Packaged as a "system," offering everything you need to mount to your long gun (remote pressure switch kit, key kit); also available as a "light only" model IPX7 waterproof to 1m for 30 minutes Length: 3.64 in (9.25 cm) Weight w/ SL-B9: 3.12 oz (88.5g); Weight w/ CR123A: 3.02 oz (85.6g) Limited lifetime warranty Assembled in the USA