POVAST Laser Bore Sight, Handgun Rifle .177 .22 to 12GA Cal Barrel Scope Aim Boresighter, 24 Multiple Caliber Adapters, Battery Included

Red laser dot suit for darklight or indoor, visual range up to 300yard
Wavelength: 630-680mm
Laser hazard Class: IIIa
Output Power: ‰¤ 5 mw
Color: black
Length: 155mm
Head Dia: 16mm
Tail Dia: 5mm
Weight: 29g

Package included:
1 x Laser Bore
1 x Screwdriver
1 x Installation Stick
4 x Adjustable Adapters
3 x AG13 Batteries
1 x User Manual

NOET 1: If the item can't work when you install the battery, please change the direction of battery and try it again
NOTE 2: the rubber adapter can be expanded
Trademark OKEBA products are marketed exclusively by USA OKEBA INC.