Purpose-built for the fast pace of turkey hunting and wingshooting, the Vortex Viper Shotgun Enclosed Micro Red Dot delivers an ultra-low-profile design and wide field of view for intuitive shooting and superior recoil control. Its enclosed design and integrated universal mount ensures seamless operation and maximum protection against the elements. FeaturesIntegrated Universal Mounting System for Drilled and Tapped ReceiversLarge Viewing Window50,000 Hour RuntimeAutomatically activates with motion while 10 minute auto-shutoff saves battery lifeFogproof, waterproof, shockproof IncludedRubber CoverMounting ToolMounting HardwareLens ClothCR2032 Battery