Description Chamber the Sightmark® 300BLK (7.62x35mm) Boresight in your rifle like a regular cartridge, and a red laser dot shows exactly where you're aiming. Ideal for hunters, competitive shooters and law enforcement, this device significantly reduces wasted cartridges and shells. Simply adjust your sights or scope, and save your extra ammo for the hunt. Includes a carrying case, three (3) AG3 batteries, and instructions. Included in Package Battery pack Carrying case Batteries Used Type: AG3/AG5 Quantity: 3x AG3/2x AG5 Product Downloads Product Manual Product Specifications Features precision accuracy saves ammunition reliable and durable Compact And Lightweight easy to pack and travel Comes With A Carrying Case EXPORT CONTROL NOTICE: This product is controlled for export and in-country transfer under the Export Administration Regulations (EAR). division contrary to U.S. law prohibited. Specifications Laser Wavelength 632-650 Output Power, mW <5 Battery Type 2x AG5 or 3x AG3 Battery Life 1 hrs Range For Sighting, yd 15-100 Dot Size 2 in. @100yds Operation on/off end cap Construction brass Operating Temperature 15 to 120