EOTech On-Gun Green Visible IR Laser Sight Tan/FDE. The OGL Standard Power (restricted to MIL/LE use) is powered by a single CR123 battery providing up to 9 hours of continuous run time. The machined aluminum housing provides extreme durability in a compact package roughly the size of a standard deck of playing cards. The IR illuminator utilizes a high performing Vertical-Cavity Surface-Emitting Laser (VCSEL) diode creating a clean beam and allowing quick adjustments from spot to flood. The ergonomic (patent pending) lever is unique to the OGL and allows professionals to adjust their illumination needs instantly all while maintaining superior situational awareness. Specifications for EOTech On-Gun Green Visible IR Laser Sight: Manufacturer: EOTech Beam Color: Green IR Battery Type: Lithium Metal CR123A Battery Life: 9 hours Operating Temperature: -20 - 60 Celsius Water Resistance Level: Water Resistant Water Resistant Mark: 10 m Length: 4.1 in Width: 2.3 in Height: 1.5 in Weight: 8 oz Fabric/Material: Machined Aluminum Laser Divergence: 23 MRAD IR Outputs: 850 nm Storage Temperature: -40 - 70 Celsius Features of EOTech On-Gun Green Visible IR Laser Sight Compact design similar in size to a deck of cards Enhanced ergonomics Tethered protective caps/pattern generators Package Contents: EOTech On-Gun Green Visible IR Laser Sight Modlite ModButton Lite 7in switch EOTech EOT-OGL-C-T: On-Gun Green Visible IR Laser Sight Tan/FDE