The Bushnell AR Optics TRS-26 Red Dot goes beyond its historic predecessor with improvements in several key areas. The TRS-26 is powered by a long-lasting battery that sets the industry standard with more than 50000 hours of battery life. It delivers a brighter crisper 3-MOA dot with push-button operation in a compact package. The Bushnell AR Optics TRS-26 is the standard for multipurpose red dots. - Waterproof Construction - O-ring sealed optics stay dry inside even when totally immersed in water. - Shockproof construction - Built to withstand bumps bangs drops and the rough-and-tumble environment of the field. - Nitrogen Purged Fog-Proofing - Nitrogen inside the scope ensures interior optical surfaces won�t fog due to humidity or rapid temperature change. - Configuration: 1x26mm - Reticle: 3 MOA Dot - Lens Coating: Multi-coated - Reticle Color: Red - Number of Brightness Settings: 12 - Parallax: 50 - Field of View (ft@1000yds/m@1000m): Unlimited - Weight: 170g / 6.0oz - Length: 70mm / 2.8in - Eye Relief: Unlimited - Click Value: 1 MOA - Adjustment Range: 140+ MOA - MOA per Rev: 36 - Mount: Picatinny - Rainguard: No - Waterproof: Yes - Shockproof: Yes - Fogproof: Yes - Extended Battery Life: Yes - Nitrogen Purged: Yes