The Streamlight TLR-7 HL-X sub USB is a high-lumen, rechargeable rail-mounted weapon light for the Springfield Armory Hellcat. It delivers 1,000 lumens on its multi-fuel platform, running on the included SL-B9 USB rechargeable battery pack or a CR123A lithium cell, and is programmable to a 550-lumen mode for extended runtime. Features 1,000-lumen white LED (programmable to 550 lumens) Multi-fuel: SL-B9 USB rechargeable battery (included) or CR123A lithium Interchangeable rear paddle switches Ambidextrous operation; IPX7 waterproof Designed to fit the Springfield Armory Hellcat Specifications Output: 1,000 lumens (default); programmable to 550 lumens Peak beam intensity: 13,000 candela (1,000 lm); 7,300 candela (550 lm) Beam distance: 228 meters (1,000 lm); 171 meters (550 lm) Battery: SL-B9 USB rechargeable (included) or CR123A lithium Runtime: 30 minutes at 1,000 lm (SL-B9); 1 hour at 550 lm (SL-B9); 1.5 hours at 550 lm (CR123A) Fits: Springfield Armory Hellcat Springfield Armory and Hellcat are trademarks of Springfield, Inc.; 3CR Tactical is not affiliated with or endorsed by Springfield Armory. Reference is for fitment only.