Product DescriptionThe Aimshot BSB22 Modular is a caliber-specific laser boresight for .22 Long Rifle chambers, built to speed up zeroing without live fire. This module connects to an external battery box for extended runtime and is intended for open-chamber applications. Delivering a 650 nm red laser, it helps you align optics quickly and precisely while saving time and ammunition.Product Highlights.22 Long Rifle chamber-fit laser boresight module for fast, accurate sightingExternal battery box uses two AAA batteries for approximately 20 hours of runtime650 nm red laser provides a crisp, visible aiming referenceApprox. 3-inch battery pack wire length; convenient on/off operationDesigned for open-chamber use to simplify setup and protect equipmentSpecsCaliber: .22 Long RifleLaser Wavelength: 650 nm (red)Power Source: External battery box; uses (2) AAA batteriesEstimated Runtime: ~20 hoursBattery Pack Wire Length: ~3 inchesUPC: 669256002215Manufacturer Part Number: BSB22Brand: AimshotDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.