Specification:Wave length 0.632 - 0.650 nMOutput0.3 - 0.5 mWLength155 mmDiameter16mmTail Diameter5mmPackage size 183 x 73 x 27mmFeatures:Easy to UseQuickly Calibration Targets: This laser bore sight will emit a straight red laser beam with an ultra-long distance. It allows you to quickly zero-in on your target without wasting excessive amounts of ammo.Fit for Pistols Rifles from 0.22 to .50 Caliber: Unique Calibration design fits all from0.22 to .50 caliber pistols or rifles(come with 5 different bore adapter), great specially designed for Hunting or Shooting training.Shooting Enthusiast with Red Dot Sight: The laser bore sight can help you quickly and accurately adjust the Pen or any sights. The most important that easy to use even for a beginner.Package included:1 x Bore sight collimator (With battery compartment)1 x Screws3 x Batteries4 x Adjustable adapters (0.220- .270 cal, 0.280-.349 cal, 0.350-.434 cal, 0.435-.500 cal)
