• Ideal of testing cables with ST or SC ends.
• Wavelength: 635 ± 5nm.
• Peak power: 0.5 - 1mW.
• Pulse repetition rate: 1-3Hz.
• Duty cycle: 50:50.
• Power source: 2 AAA batteries.
• Dimension: 0.14 x 165mm, pocket size.
• Locate any possible breaks or unseen faults in the cable by   sending a red laser light down the fiber.