3EIR Sentinel-SLT OG Visible Green Laser/ Infrared Laser/ VSCEL Illuminator Black. Tri-blend; Ti 6061 Aluminum and Polymer Housing. CRANE port (Override Green). Ships with ModButton Lite switch. 3EIR Switchless Laser Technology (3EIR SLT). Specifications for 3EIR Sentinel-SLT OG Visible Green Laser/ Infrared Laser/ VSCEL Illuminator: Manufacturer: 3EIR Beam Color: IR Laser Output: 2.5 mW Wavelength: 850 nm Battery Type: CR123 Battery Life: 5 Hours Beam: Infrared Water Resistance Level: IP68 Operating Temperature: -10 - 55 Celsius Weight: 5.3 oz Features of 3EIR Sentinel-SLT OG Visible Green Laser/ Infrared Laser/ VSCEL Illuminator Day/Night Use Super Small Low Profile Light Weight Durable Ergonomic Design Accurate Affordable Package Contents: 3EIR Sentinel-SLT OG Visible Green Laser/ Infrared Laser/ VSCEL Illuminator ModButton Lite Switch Product Manual Allen Key (2) IR Targets 3EIR 300505: Sentinel-SLT OG Visible Green Laser/ Infrared Laser/ VSCEL Illuminator Black