ADAFAZ Bore Sighter is designed for sighting in your rifles and pistols without firing a shot. It will help you when hunting due to its accuracy.<br> By projecting a beam from the center if the barrel axis of your firearm, this bore sight allows you to instantly and accurately set your sight or scope.<br> It is conveniently works with all 22-50 caliber rifles and pistols even after a long trip.<br><br> <b>SPECIFICATION:</b><br> Material: Aluminum<br> Max.Output Power: less than 5mW<br> Class: IIIa<br> Head Diameter: 16mm<br> Tail Diameter: 5mm<br> Wavelength: 630-680nm<br> Color: Red/green<br> Boresighter housing's Length: 155 mm<br> Boresighter housing's Weight: 38g / 1.33oz<br> Package Weight: 135g / 4.7oz<br> Batteries type 1: LR44 Battery for RED boresighter<br> Batteries type 2: CR2 Battery for Green boresighter<br><br> <b>ADAFAZ BORE SIGHT KIT INCLUDES:</b><br> 1 x Boresighter/Bore Sight (With battery compartment)<br> 1 x Screws and Hex Key<br> 5 x Bore Adjustable Adapters<br> 6 x LR44 Battery (for red boresighter) OR<br> 1 x CR2 Battery (for green boresighter)