This is the Infrared IR LED version of the TX890 lights. It is the mainstay for the fixed beam wireless pressure switch tactical lights. All TZ lights are sold as a full kit. Everything you need is included with the package. TX890 IRite CREE LED light, picatinny rail mount, quick release mount, wireless remote pressure switch, and batteries 2 CR123A for the light, 1 CR1632 for the remote . Features Fixed beam wireless pressure switch tactical lights TX890 Infrared LED light Picatinny rail mount Quick release mount Wireless remote pressure switch Batteries 2 CR123A The Infrared version of the TX890 light output is not able to be seen with the naked eye. You must use night vision gear to be able to see the output of the IR LED. As with all IR LED's there will be a faint red glow when viewing from directly in front of the LED. Specifications Actual Product Weight 4.9 oz Diameter at bezel 1 3/8 inches Diameter at handle 1 inches Actual Length 6 inches Lu Aimshot Wireless Remote Tactical Flashlight Kit Wireless Remote Tact Flashlight Kit-IR