Feature:
[Strong Magnetic Connection]: No need to get in touch with the rifling of barrel, reducing wear.
[Clear and Bright Laser]: Can works perfectly in all weather conditions.
[Big Button Switch]: Sensitive button switch, just slightly press to turn on/off laser.
[Suitable for any Caliber]: With Strong magnetic connection, it can be used on any caliber rifle or handgun, one boresighter suit for all caliber saving your money.
[Reliable And Professional]: MidTen has been focusing on hunting products, especially the boresighter for many years.

Specification
-- Length: 78.92mm; Tail width: 33.87mm; Head width: 15.8mm
-- Laser Wave length: 510 to 540 nm
-- LED Type: visible laser
-- Power: -- Laser Class: Class IIIA laser
--Material: aluminum
-- Sighting Range: 15 to 100 yards
-- Dot Size: 2 inches at 100 yards
-- Operation: On/Off button
-- Temperature: -10℃ to 40℃
-- Battery Type:1 XER14250 (Included)

Package included
--1 x Laser boresighter
--1 x ER14250 Battery
--1 x Instruction