Product DescriptionThe Nightstick TCM-550XL is a compact, duty-ready weapon-mounted light engineered for dependable illumination on handguns. A powerful 550-lumen white LED pairs with a precision Total Internal Reflection (TIR) lens to project a bright, focused beam out to 136 meters. Intuitive, fully ambidextrous rear-facing toggle switches provide fast access to momentary-on or constant-on modes. Built from aircraft-grade 6061-T6 aluminum with a polymer rear housing and a durable black anodized finish, the TCM-550XL is designed to withstand hard use. It ships ready to mount with modular rail inserts, hardware, and a CR123 lithium battery.Marketing Points 550-lumen white LED with TIR lens for a sharp, 136-meter beam Ambidextrous rear toggles for momentary or constant-on activation Rugged 6061-T6 aluminum body with Type III hard anodized black finish Includes four handgun-specific rail inserts (C1 pre-installed for Glock) IP-X7 waterproof rating, 2 m drop tested, and 2.5-hour runtime Specs Light Output: 550 lumens Beam Distance: 136 m Peak Beam Intensity: 4,612 candela Runtime: 2.5 hours Light Source: White LED Lens: Total Internal Reflection (TIR) Switching: Ambidextrous rear-facing toggles; momentary or constant-on Housing: 6061-T6 aluminum with polymer rear housing Finish/Color: Black, Type III hard anodized Ingress Protection: IP-X7 waterproof Impact Rating: 2 m drop Dimensions: 2.5 in (L) x 1.1 in (W) x 1.2 in (H) Weight: 2.5 oz (70 g) Power Source: 1 x CR123 lithium battery (included) Included in Box: Light, four modular rail inserts (C1 pre-configured for Glock), two spare Allen screws, Allen wrench, CR123 battery UPC: 017398807043 MPN: TCM-550XL Brand Name: Nightstick Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.