Parameters: Class IIIA laser, less than 5 mW, safe and harmless. Caution: Keep the green laser beam away from eyes
Higher Accuracy: The 9 mm laser bore sight is designed to provides a precise reference to zero in your optic or iron sights so as to save your time and money, sighting range of the 9 mm bore sight is 30 to 300 yards
Application: The 9 mm green laser bore sight is made to fit the 9 mm chamber, caliber specific
Design: Fast Gun Zeroing and Sighting System. Sturdy and Reliable Brass Construction, Easy to Sit Perfectly in the Bore
Battery: 3 sets of (9 LR 41) batteries. Each set lasts for one hour. Note, please tear off the clear plastic first, then put in new batteries. Please remove the batteries after use