Features: EFFICIENT CLEAR 3 MOA DOT WITH 10 BRIGHTNESS SETTINGS Point source LED creates a clean beam that produces a strong dot without wasting energy. LONG LASTING BATTERY LIFE WITH OVER 15,000 hrs With over 15,000 hours on the mid setting (Setting 5) you won't need to change the battery any time soon. The side loading battery is easy to replace without removing the sight from the firearm retaining your zero. USER-SELECTABLE 12 HR TIMER FOR REAL-WORLD APPLICATION The user may prefer to leave the brightness setting set at or towards day-bright. If so, they can also choose to use the onboard timer to automatically turn the unit off after 12hrs of no buttons being pressed. The optic's onboard logic makes it easy to determine what state the optic is in; 4 quick dot pulses to indicate the timer is active or 3 slow pulses to indicate off. MOUNTS ON HANDGUNS*, RIFLES AND SHOTGUNS Works across firearms with common Weaver style or Picatinny accessory rails. IPX7 DURABLE ALUMINUM CONSTRUCTION WITH REMOVABLE HIGH-RISE SPACER Rugged aluminum housing ensures the glass and electronic internals are protected during field use and IPX7 rated sealing of the electronics allows the optic to be submerged 1 meter in water for 30 minutes without damage. CONVENIENT LAYOUT AND DESIGN Detented Windage/Elevation adjustment with 1 MOA per click. Side loading battery (CR2032) for easy replacement. Easy access push button design for brightness setting adjustment. BACKED BY THE LIFETIME IRONCLAD WARRANTY The TRS-125 is backed by Bushnell's Lifetime Ironclad warranty and are engineered and manufactured to withstand the rigors of the outdoors for the lifetime of the product. The materials and workmanship are covered for 5 years from date of purchase or manufacturing date. Fully transferable, no receipt required. Full details at Bushnell.com/warranty. Specifications: Model Name: TRS-125 Form Factor: Closed Reflex Adjustment Range (Total): 100+ MOA Click Value: 1 MOA MOA Per Rev: 28 Dot Color: Red Reticle: 3 MOA Dot Eye Relief: Unlimited Length: 2.9 in. Height: Height w/o High-Rise Spacer-2.0 in.; With High-Rise Spacer 2.7 in. Weight (g): 5.4 / 6.6 oz. Lens Coating: Fully Multi-Coated, EXO Barrier Magnification: 1x Objective Size (in./mm): 22 mm Parallax: 100 Yds. Ingress Rating: Yes, IPX7 Gas Purged: Yes Mount: High-rise & low-profile Weaver rail mounts Extended Battery Life: Yes, up to 15,000 Hours Battery: CR2032 Battery Position: Side-Loading Brightness Settings: 10 Controls: Recessed Push - Button Auto Shutoff: Yes, 12hr with No Button Presses. User - Selectable (defeatable)