The pattern selector can also be used as a safety switch Applications: laser targeting, aiming and positioning, hunting and discovery, search and rescue, outdoor and hiking, etc. Ambidextrous Momentary or Constant-On Switch Rear Selector Mode Switch: for Laser Only, Flashlight Only, or Both Flashlight & Laser modes Quick release mounting latch mounts the flashlight securely and allows speedy installation and removal of the flashlight. Mode selector set various operation mode such as flashlight only, laser sight only and flashlight/laser sight the same time. Mode selector also works as a safety switch. Light weight design, 20mm standard rail suit for most of pistol and rifle guns. Red laser sight is fully adjustable for windage and elevation with included allen wrench. This LED flashlight is power saving and durable with high brightness Working temperature from - 10 degree Celsius/ 14 degree Fahrenheit to 40 degree Celsius/ 104 degree Fahrenheit. Make this flashlight can work for you outdoor most of the time When you attach the flashlight on your hunting tool, as the switch can be extended to the grip, the tape switch can help you turn on and off the light quietly and easily