Olight PL-1 Valkyrie 400 Lumen Pistol LED Strobe Flashlight, Blue Moonlight with Weaver Quick Release and LegionArms CR123A Battery Cree XP-LCW LED Maximum Light Output Could up to 400 Lumens. Modes : White light mode 400Lumens/50Min,Blue Light Mode :2Lumens/40Hours,Storbe Mode :10Hz/100Mins Ambidextrous switch for easy navigation from the white LED to the blue navigation LED. Concentrated Long Shots Max Beam Distance is 104m/341Feet Integrated quick release weaver mount, Size: 3.1x1.22x1.5in /78x31x38mm