Tactical G43 G33 3X G45 5X Magnifier with Flip-up Mount 558 Hologram Sight Optics Scope for 20mm Rail Hunting Scopes. Weight : 11.9 oz. True Magnification : 3.35x. Eye Relief : 2.2. Field of View : 7.3 degrees. Water Resistance:33 ft. Mount:1′ Weaver or MIL-STD-1913 rail. Eye Relief:2.6. Field of View: 7.5Degree. Overall Length:2.9. Sealing Fog resistant internal optics. Objective Lens Diameter: 25mm. Eye Relief: 2.6 inch. Angular Field of View: 7.28 degrees. Color: black/red/sand/tan/camouflage (5 colors available). Material: 6063 all-aluminum alloy structure. Appearance size: 1005080MM Net weight: 334.5G Gross weight: 460G Glass: Multilayer Broadband Green Film Glass. Quick Release Bracket, 20mm Picatinny Rail Weaver Include: lens cleaning cloth, rubber cover, height-enhancing block Packing. Power safe feature, automatic power-off in 2 hours -Easy to setup, fits any 20mm rail/0.79 inch rail. Elevation and Leverage adjustment on the side of sight -Battery. 4 x LR44 batteries (no included). Dimension: 10 cm (L) x 5cm (W) x 6cm (H) -A: brightness adjustment (upward) -B: brightness adjustment (downward) -C: Reticle colour switching (Red / Green) -Packing: 1 X sight. Magnification: 1.0x Objective Lens Dia: 30x22mm Length: 130x50x65mm Weight (net): 275g (9.7 ounce) Field of View (100yds): 30 yards Optics Coating: Multi Coated Reticle: Red and Green Reticle with 5 Levels Brightness Power Supply. Two pieces of AA battery (no included). Evaluation Range: MOA Windage Range: MOA Feature 1/2 M. A windage and elevation with audible clicks Battery type :RCR123A, LFP123A, CR123A -Packing: 1 X sight. Name :553 sight Exit-pupil:8MM F. 146.3-34.2ft100yds Eye relief :unlimited optics coating :multi coated Adjustment : Windage and Elevation 0.5MOA Maximum Output Power:>OMW. 1 piece CR123A 3V or 1x CR20323V lithium(no Included). Packing: 1 X sight. Magnification: 1x Reticle: Red / Green Dot Exit pupil distance: 20 (mm) Exit pupil diameter: 40 (mm) Field of view: 15.8M-100M Maximum Output Power:>1MW. 1 CR123A(no included). Packing: 1 X sight. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measuring deviation due to manual measurement.