The laser wavelength is 635nm, making it bright and easy to see. Size (mm): φ13.2×133
Laser light color: Red
Wavelength: 635nm
Continuous use time: Approximately 18 hours
Output: Max. 1mW (Class 2)
Power supply: 2 AAA batteries (included for testing)
Reach distance: Approximately 100m (when lit at night)
Material: Brass
Weight: Approx. 64g
