BESTSUN Mini Red LED Flashlight Zoomable 3 Mode Adjustable Focus Super Bright 200 Lumen Red Light Flashlight 150 Yards Long Range Red Hunting Light Tactical Flashlight for Astronomy, Night Vision Red LED bulb, Max output 200 lumens, 3 switch modes: High/Low/Strobe Zoomable scalable LED for more than 150 yard light beam, long range Human's eyes are sensitive to the Red range of light, but Animals are not, great tool for hunting Designed to mount on certain hand pistols, rifles or shotguns with proper mounting equipment Battery Configuration: 1x 14500 battery,or 1x AA battery (battery is not included)