DOUBLE THE LIFE: The CR2032 battery effectively doubles the battery life. Whether you choose Sentinel-M or Sentinel-A, expect two years of real-world battery life, even carrying your pistol all day, every day. DUTY GRADE: Made from 7075 aluminum that is hard coat oxidized, shock proof to 1,500 G forces, and waterproof. COMPACT UNOBSTROCTIVE FIT: Shoehorned into this tiny scope is a 16mm x 16mm window, big enough for fast acquisition and sight tracking but small enough that it doesn't affect concealment. MANUAL BRIGHTNESS MODEL: Features ten manually adjusted brightness settings accessed via digital push buttons. Shake 'N Wake motion sensing preserves battery life when the Sentinel-M has been still for about 4 minutes. IN THE BOX: Optix w/sheath, screwdriver, lens cloth, Battery, and three screw sets.

Mounting Type: Picatinny Mount. Compatible Devices: Handgun. Magnification Minimum: 1 x. Objective Lens Diameter: 16 Millimeters. Material: Aluminum. Sport Type: Hunting. Item Dimensions LxWxH: 2.25 x 3.5 x 4.5 inches. Style: Manual brightness Green Dot. Color: Black. Brand: Swampfox. Date First Available: November 28, 2021. Best Sellers Rank: #9,444 in Sports & Outdoors. Customer Reviews: 4.4 out of 5 stars 467 ratings 4.4 out of 5 stars. : B09MRNJXKC. Included Components: ?1. Slotted head wrench *1pc ; 2. S-Wing wrench; 3. Black lens cloth ; 4. PRR rubber cover * 1pc; 5. CR2032 Battery*1pc; 6. Screw M4X0.7. Part Number: ?SNL00116-GDM. Manufacturer: ?Swampfox. Model Name: ?SNL00116-GDM. Brand Name: ?Swampfox. Package Weight: ?0.15 Kilograms. Item Package Dimensions L x W x H: ?4.29 x 3.07 x 2.24 inches. Night vision: ?No. Mounting Type: ?Picatinny Mount. Compatible Devices: ?Handgun. Magnification Minimum: ?1 x. Objective Lens Diameter: ?16 Millimeters. Material: ?Aluminum. Sport Type: ?Hunting. Item Dimensions LxWxH: ?2.25 x 3.5 x 4.5 inches. Style: ?Manual brightness Green Dot. Color: ?Black. Brand: ?Swampfox.