Nikko Stirling XT4 Reflex Red Dot Sight 1x 4MOA Matte Black NDSPXT4. It is the smaller brother of the ProT4. Specifications for Nikko Stirling XT4 1x Reflex Red Dot Sight: Manufacturer: Nikko Stirling Color: Black Finish: Matte Magnification: 1 x Reticle: 4 MOA Illumination Type: LED Illumination Color: Red Eye Relief: Unlimited Emitter Type: Open Lens Material: Glass Optical Coating: Multi-Coated Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Length: 46 mm Weight: 35 g Quantity: 1 Red Dot Sights-Footprint: Not Applicable Last Chance: Yes Features of Nikko Stirling XT4 1x Reflex Red Dot Sight Parallax free Waterproof - shockproof 1x magnification Push buttons up/down for illumination setting 10 illumination settings allows to set your preferred brightness Automatic shut off after 3 hours Lightweight - 35 grams incl. Battery Optimized coatings Window size app. 2400x1540mm Small outer dimensions 46x27x27mm Click adjustments with locking feature Extreme bright illumination 4 MOA red dot Pulse electronics for longer battery runtime Easy battery change tray on the side of sight Memory function automatic shut off after 3 hours Battery: 1x CR2032 Package Contents: Nikko Stirling XT4 1x Reflex Red Dot Sight Lens Cover Lens Cloth Manual Nikko Stirling NDSPXT4: XT4 Reflex Red Dot Sight 1x 4MOA Matte Black