Viridian Weapon Technologies RFX45 Pro Green Dot Sight Closed Emitter ACRO Compatible Instant-on Black. A rock-solid machined 6061 aluminum housing fully multi coated lenses audible and tactile adjustability INSTANT-ON activation w/ memory and auto shut off and a 50k hour battery life are just a few of the features that make the RFX 45 a must-have for any shooter.Viridian invented green laser pistol sights almost two decades ago ushering in a new era of visibility and inspiring change across the industry. In 2021 Viridian continued to lead the market by launching the RFX line of reflex sights exclusively with highly visible green LED's. The RFX 45 Closed Emitter Green Dot Sight is the latest addition to the RFX line of electro optics. Specifications for Viridian Weapon Technologies RFX45 Pro Green Dot Sight: Manufacturer: Viridian Weapon Technologies Color: Black Finish: Hardcoat Anodized Fabric/Material: 6061-T6 Aluminum Magnification: 1 x Objective Lens Diameter: 24 mm Objective Window Size: 24 mm Reticle: 5 MOA Illumination Type: LED Illumination Color: Green Brightness Settings: 10 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Enclosed Lens Material: Glass Optical Coating: Fully Multi-Coated Battery Type: CR2032 Lithium Metal Battery Quantity: 1 Battery Life: 50000 hours Operating Temperature: -4 - 130 Fahrenheit Water Resistance Level: IPX-6 Fogproof: Yes Length: 1.9 in Width: 1.1 in Height: 1.1 in Weight: 1.73 oz Package Type: Box Magnification Type: Fixed Quantity: 1 Tube Diameter: 28 mm Switch Type: Button Red Dot Sights-Footprint: Aim Point Acro Features of Viridian Weapon Technologies RFX45 Pro Green Dot Sight Footprint: ACRO Operation: INSTANT-ON + User Controlled Package Contents: Viridian Weapon Technologies RFX45 Pro Green Dot Sight Glock MOS Docter and RMR Adapter plates Low and High Picatinny mount Viridian Weapon Technologies 981-0052: RFX45 Pro Green Dot Sight Closed Emitter ACRO Compatible Instant-on Black