Output Power: <1mW
Type: Bore Sight
Item Name: Laser Bore Sighter
Wave Length: 630-680nm
Sighting rang: 20-30yards
Dot Size: 1.5 @ 100 yds
Whole length: 61mm(2.4'')
Metarial: High Quality Aluminum
Power by: 3pcs AG13 batteries

Operation: On/Off End Cap

Description:
 
New laser boresighter for your 12 gauge shotgun. 
 
Unit includes three new batteries for immediate use. 
Sighting or zeroing in your iron sights, red dots, or scopes quickly and easily.
Material: High Quality Aluminum
Precision Laser Optics
Sits perfectly in the chamber
Quick and easy sighting and zero
No more wasting ammo
Batteries included
Laser output less than <5mw
Wavelength 630-680NW
LED Type: Visible Red Laser
Sighting Range: 20-30yards
Dot Size: 1.5" @ 100 yds
Included Batteries: 3 x AG13 Button
Whole length:  61mm(2.4'')
Operation: On/Off End Cap
Power by: AG13 Batteries
 
Note:
No button to turn, it starts as soon as the batteries are charged in, turn it off to unscrew the CAP at the rear and remove the batteries.  
  
Included in the Package:
 
> 1 x Laser Bore Sighter
> 3 x AG13 Batteries
> 1 x User Manual