<b>Laser class:Class IIIA</b><br>Power:<5mw<br><b>The Bore Sighter will turn on automatically when batteries are correctly placed in.</b><br><br>Made of premium aluminum, our professional laser red dot bore sight is machined to the strictest standards to ensure superior quality. You can save time, money, ammunition as well as frustration with our product. This bore sight is perfect for 15-100 yards range and making sure your gun is zeroed. <br><br> <b>Specifications:</b><br> Minimum Range for Sighting: 15 yards<br> Maximum Range for Sighting: 100 yards<br> Wavelength: 645nm, 632nm (.223 20X)<br> Battery Life: approx. 20 min<br> Laser Type: Visible Red Laser<br> Power: < 5mW<br> Battery: 3x LR41 (included)<br> Construction: Aluminum <br> Dot Size: 1.5 @ 100 yards.<br><br> <b>Package includes:</b><br> 1x 223 556 REM Laser Bore Sight <br> 4x LR41 batteries <br>