Sightmark Red Dot Sight Sure Shot Plus Reflex Sight Black Premium reflex red-dot sight - 4 reticle patterns - Digital switch brightness controls - Fully multicoated scratch-resistant lens system - Interlok™ internal locking system - Unlimited Eye Relief - Adjustment Value: 1 click per MOA - Battery Life: 20-200 hours - Battery Type: CR2032 - Battery Voltage: 3 Volts - Diameter Objective Lens: 33x23 mm - Elevation Range of Adjustment: 150 MOA - Eye Relief: Unlimited - Finish/Color: Black - Fog Proof: No - Height: 2.1 / 53 in / mm - IP Standard: IP55 - water resistant - Length: 3 / 77 in / mm - Lens Coating: AR Red - Magnification: 1 x - Material: Aluminum/polymer - Maximum Recoil: 800 Gs - Mount Type: Weaver/Picatinny - Nitrogen Filled: no - Operating Temperature: 0 - 122 / -17 - 50 °F/°C - Parallax Setting: 25 yds - Reticle: 4 Pattern - 5 MOA dot 3 MOA dot with 50 MOA circle 3 MOA dot with 50 MOA crosshair 3 MOA dot with 30 MOA circle/crosshair (subtensions total 50 MOA) - Reticle Brightness Setting: 0-6 - Reticle Color: Red - Shockproof: Yes - Weight: 4.7 oz - Width: 1.4 / .5 in / mm - Windage Range of Adjustment: 150 MOA