The Streamlight TLR-1 HL is a high-output tactical weapon light that delivers 1,000 lumens of bright, concentrated light with a 20,000 candela peak beam intensity-perfect for target identification and threat assessment in low-light conditions. Built for law enforcement, military, and self-defense users, the TLR-1 HL features shockproof C4 LED technology with a 50,000-hour lifespan and a deep-dish parabolic reflector for enhanced throw and peripheral illumination. Designed for quick, tool-free attachment, the one-handed rail clamp system securely mounts to Glock-style and MIL-STD-1913 (Picatinny) rails without placing hands in front of the muzzle. Constructed with a machined aluminum body and MIL-SPEC anodized finish, this weapon light is IPX7 waterproof to 1 meter and weighs only 4.18 oz. With momentary, constant-on, and strobe modes, ambidextrous switch operation, and programmable strobe function, the TLR-1 HL adapts to any mission. Compatible with many existing light-bearing holsters, it&&';;s the go-to choice for professionals who demand reliability under pressure. Key Features: Output: 1,000 lumens / 20,000 candela / 270-yard beam Powered by (2) CR123A lithium batteries (included, 10-year shelf life) Run time: 1.5 hours on high Modes: High, strobe (programmable) Mounts to: Glock-style rails, MIL-STD-1913 (Picatinny), Beretta 90two, S&W 99/TSW Switches: Ambidextrous momentary/constant toggle Durability: IPX7 waterproof (1 meter for 30 min), shockproof, MIL-SPEC anodized finish Construction: Durable aluminum, black anodized Dimensions: 3.39" long Weight: 4.18 oz Includes: Rail keys, batteries, user manual Perfect For: Law enforcement, duty use, home defense, tactical professionals, CCW users who require holster-compatible lights.