Check the listing for details. Holosun SCRS Solar Charging System 2 MOA Green Dot Rifle Sight - SCRS-GR-2. Color: Black, Condition: New. Listed at 244.99 USD. Holosun SCRS Solar Charging System 2 MOA Green Dot Rifle Sight - SCRS-GR-2 Description The SCRS-GR (Solar Charging Rifle Sight) advances Holosun’s SCS technology creating an all-new, ultra compact 20mm tube sight designed for long gun applications. SCRS-GR features light sensors and an advanced Auto Mode for automatic reticle intensity settings and Manual Mode for manual control of dot intensity. SCRS-GR is made from 7075 aluminum and includes a lower 1/3 co-witness, 1.63” mount that utilizes Holosun’s proven 509T footprint for compatibility with third-party offset RDS mounts. SCRS-GR is available with a 2MOA dot only or Holosun’s MRS (Multi-Reticle System). SCRS-GR features 12 reticle intensity settings, four of which are compatible with night vision devices and up to 50k hour battery life. FeaturesReticle- 2 MOA DotLight Wavelength- 540nmReticle Color- GreenParallax Free- YesUnlimited Eye Relief- YesMagnification- 1xMulti-Coatings- YesPower Source- Solar & BatteryBattery Type- Internal Rechargeable BatteryBattery Life (Hours)- UnlimitedBrightness Setting- 10 DL & 2 NVWindow Size- 20mm DiameterDimension (in)- 1.7×1.35×1.6Weight (oz)- 2.45Housing Material- 7075 T6 AluminumSurface Finish- AnodizeAdjustment per Click- 1 MOAW&E Travel Range- ±50 MOAStorage Temperature- -40℃~70℃Working Temperature- -30℃~60℃Submersion- IP67Vibration- 1000G ***FEDEX TWO DAY DELIVERY*** We will use FedEx 2-day delivery service to ship this item. This is a very reliable service in terms of their success of meeting delivery date... What that means is if you order: Monday by noon = Wednesday deliveryTuesday by noon = Thursday deliveryWednesday by noon = Friday deliveryThursday by noon = SOME locations support Saturday delivery. It depends on where you live. FedEx offers Saturday delivery in many, but not all cities. Otherwise, Monday delivery.Friday by noon = Tuesday deliverySAT-SUN = Wednesday delivery. ***Orders shipping to PO boxes will be shipped with USPS Ground Advantage Mail.