Monstrum Ghost Reflex Red Dot Sight w/Ghost G3 3x Micro Magnifier 1x20mm 2 MOA Black. Specifications for Monstrum Ghost 1x20mm Reflex Red Dot Sight w/Ghost G3 3x Micro Magnifier: Manufacturer: Monstrum Color: Black Finish: Type III Hard Anodized Fabric/Material: 6061 Aircraft-Grade Aluminum Magnification: 3 x Objective Lens Diameter: 20 mm Reticle: 2 MOA Illumination Type: LED Illumination Color: Red Brightness Settings: 10 Adjustment Type: MOA Emitter Type: Open Lens Material: Glass Optical Coating: Multi-Layer Coated Battery Type: Lithium Metal CR2032 Weather Resistance: Fog Resistant Water Resistance Level: IPX-7 Fogproof: Yes Length: 2.59 in Height: 1.55 in Weight: 5 oz Red Dot Sights-Footprint: Not Applicable Mount Type: Picatinny Gun Rail: Picatinny Features of Monstrum Ghost 1x20mm 2 MOA Red Dot Sight and Ghost 3X Prism Magnifier Set 2 MOA Dot Reticle with 11 Levels of red illumination. UltraLUX Multi-layer Lens Coating for a sharper image. Made of durable and lightweight 6061 Aircraft-grade Aluminum. Includes 2 different mounts with Torx lockdown bolts. IPX7 Waterproof & Fogproof rated for trouble-free performance. This product is provided with a Lifetime Warranty Package Contents: Monstrum Ghost 1x20mm Reflex Red Dot Sight w/Ghost G3 3x Micro Magnifier Monstrum RDT24B-3X: Ghost Reflex Red Dot Sight w/Ghost G3 3x Micro Magnifier 1x20mm 2 MOA Black