Description Chamber the .22 LR Sightmark® 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, batteries, and instructions. Included in Package Battery Pack Carrying Case Batteries Used Type: AAA Quantity: x2 AAA Product Downloads Product Manual Features Precision Accuracy Reliable And Durable Fastest Gun Zeroing And Sighting System Reduce Wasted Cartridges And Shells 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 x2 AAA Battery Life, Hrs 1 Range for Sighting 15-100 yd Dot Size, in. @ 100yds 2 Operation on/off end cap Construction brass Operating Temperature, F 14 to 122