Features: - Model number: CAL: .7.62x39
- Environmental， recycle the wasted cartridges
- Accurate and precise
- Fastest telescope zeroing and sighting system
- Maximum output power: Less than 5mW
- Wavelength: 635 - 655nm
- Power source: 3 LR41 button cell batteries or equivalent Color: Silver
Type: Laser Sight Package weight: 0.055 kg
Product Size(L x W x H): 4.30 x 1.10 x 1.10 cm / 1.69 x 0.43 x 0.43 inches
Package Size(L x W x H): 17.90 x 8.80 x 1.90 cm / 7.05 x 3.46 x 0.75 inches Package Contents: 1 x Laser Bore Sighter， 3 x Button Cell Battery