Night Stick Compact Weapon-Mounted Light The TCM-550XL Compact Weapon-Mounted Light uses a super-bright LED rated at 550 lumens working in conjunction with a precision-engineered total internal reflection (TIR) lens to create a bright white beam of light rated at 136 meters. This weapon light features completely ambidextrous and intuitive rear-facing toggle switches on each side of the light to operate the momentary-on and constant-on lighting modes. The housing of the TCM-550XL is constructed from aircraft-grade 6061-T6 Aluminum with a polymer rear housing. Includes four handgun-specific modular rail inserts (pre-configured with C1 insert for Glock pistols), two spare Allen screws, an Allen wrench, and one CR123 Lithium battery. Features: LED technology Ambidextrous rear-facing toggle switches Momentary or constant-on flashlight Aircraft-grade 6061-T6 aluminum housing Type III hard anodized finish Sharp, focused beam rated at 136 meters Waterproof Impact & chemical resistant Serialized for personal identification 1 CR123 battery (included) Limited Lifetime Warranty Specifications: UPC: 017398807043 High Lumens: 550 High Beam Distance (m): 136 High Candela: 4,612 Drop Rating: 2 m Water Rating: IP-67 Dustproof/Waterproof High Runtime (h): 2 Switch Function: Momentary or constant-on Light Source: LED Serialized: Y Case Material: 6061-T6 Aluminum Body Color: Black Quantity of Batteries: 1 Power Source: CR123 Package Contents: Light, 5 modular rail inserts, 2 spare Allen screws, 1.5mm Allen wrench, (1) CR123 battery US Patent(s) : 9713217 Warranty: Limited Lifetime Warranty Dimensions: Length: 2.5 in (63.5 mm) Width: 1.1 in (30 mm) Depth: 1.2 in (31 mm) Weight: 2.5 oz (70 g)