This Osprey Mini Red Laser is the perfect quick addition to any firearm. The extra bright red laser has a four-point alignment system for improved accuracy and ease of calibration. Osprey made the casing and electronic components shock resistant, engineered to withstand tough conditions.
On/Off rear button switch
Laser range：50-100m
Max. Output Power:＜5mW 
Weight: 1.1 ounces
Length: 1.18 inches
Height: 1 in
Wavelength: 625-650nm                          
Battery: 3x LR41    
Finish: matte black