The tcm-550xl compact tactical 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 modesMaterial: 6061 T6 AluminumType: Weapon LightOutput: 550 LumensBulb Type: LEDOal: 2.50"Weight: 2.50 ozBattery: CR 123Proofs: WaterproofColor: Black AnodizedRechargeable: NoFilter Color: ClearSwitch Type: AmbidextrousHazair: Yes