Viridian RFX42 Reflex Sight Closed Emitter Green Dot SHIELD Mounting Black 3.5 MOA green dot reticle;Enclosed emitter design protects from debris and moisture;Shield RMSc footprint compatibility;Instant-on motion-activated operation;Ten brightness settings: Eight visible and two night vision;Fully multi-coated aspherical lens;CNC-machined aluminum housing;IPX6 water resistant;Battery life up to 28,000 hours;Uses one CR1620 battery;Weight: 0.9 oztable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 4000 Product Group Code: 4000L Product Sub Group 1: 4000L1 Inactive: No Second Color: Green Flammable: ORMD