【Multi-Caliber Compatibility】 The Geyet Laser Bore Sighter accommodates scopes ranging from .177 to 12GA caliber. (laser Class is IIIA, max. output power is less than 5MW)
【Simple Zeroing Process】This laser Bore Sighter Kit is effective in zeroing scopes, optics & iron Sights, saving time and money. Note: Manually calibrate the laser zero point before using to ensure precise targeting. Remove the sticker on the sight head to reveal 4 screw holes. After installing the sight into the barrel, use these 4 screw holes for zero adjustments.
【Enhanced Features】: The Amepointer laser bore sighter incorporates a convenient press switch for control and automatic focus adjustment.
【Battery Upgrade】: Upgraded with 2 CR2 batteries for extended battery life and durability.