"Flashlight Data: - Max Output: Laser-5mW - Max Output :White light 400 lumens 3w - Tactical Runtime: 1.5 hours - Batteries type: Two pieces 3V CR123A (not included) - Emitter type: CREE R5 - Wavelength: Visible red laser-635nm - Rail Type: 20mm Weaver rail Feature: - Two operational modes: the visible switch activates the visible laser and 400 lumen white light LED; while the IR switch pairs a Class 1 IR laser with an eye-safe IR LED illuminator for supplemental illumination. - Laser Swtich and IR switch need to push 2 seconds can power on - Press the switch in every operational modes simultaneously with green visible aiming laser. - Quick Release Battery Latch. - Integrated Adjustable Picatinny Mount. - Construction—High-strength aerospace aluminum, impact-resistant polymer; coated tempered windo."