Haofy Optical Fiber Detection Passive Pen Metal Fiber Break Check Cabling System

Feature: 1. Imported head for easy penetration of 10km fiber outstanding performance. 2. Slider switch design allows you to control the status of the red pen as you like. 3. The aluminum alloy is resistant to falling and anti-wear and the body is made of metal to prevent damage during use. 4. Sophisticated craftsmanship durable and has long service life. 5. Powered by 2 pcs of AA battery convenient for switching. Specification: Item Type:Fiber Optic Cable Tester Material:Aluminum Alloy Output Distance:10km Output Wavelength:650nm Battery:2 x AA Battery(Not Included) Battery Lifespan:>12h Package List: 1 x Light Pen 1 x Pen Bag 1 x Pen Strap 1 x Users Manual 1 x Spare Hose