Description Perfect for hunters, competitive shooters and law enforcement, the Sightmark® Boresight delivers exceptional accuracy. At 100 yards, the device will project a 2-inch image on paper, saving you money on ammunition. Includes a carrying case, batteries, and instructions. Included in Package Battery pack Carrying case Batteries Used Type: AG3/AG5 Quantity: 3/2 12GA : 3x-AG3 Product Downloads Product Manual (Online) Product Manual (PDF Download) Product Specifications 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 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 nm LED Type Visible red laser Output Power <5 mW Battery Life 1 hour Battery Type AG3/AG5 Range for Sighting 15 - 100 yds Dot Size 2 in @100yd Operation on/off end cap Material Brass Operating Temp,?F/?C 14 to 122 / -10 to 50 F/C