Iron Armadillo Tactical is. IR module similar to the genuine infrared laser. (comparison pic available in the product images). Some sellers may list the EEL version under the VCSEL version title. Forged 6061 aluminum housing for durability. PCB epoxy-sealed for enhanced protection. Adjustable IR illuminator for optimal performance. Ceramic paint surface finish for increased wear resistance. Guaranteed zero retention for calibers up to 5.56 NATO. Includes an LA23-style plug. IR laser beam divergence: 0.5mrad. Visible laser wavelengths: 650nm / 520nm. High: 40mW / 20mW. Visible laser beam divergence: 1mrad. IR illuminator type: VCSEL IR laser 830nm. Available colors: Flat Dark Earth. Mounting system: Picatinny mount. Power source: 3V CR123A battery Battery NOT Included! Dimensions: 3.5 in × 2 in × 1.4 in.