1. Fiber Optic Testing Tool - Specially designed for optical cables and line maintenance, this VFL pen could locate cable defects, visually look for fiber breaks.
2. Non-contact: adopt contactless connection form, no loss of optical fiber or transmitter end face, and the output power is not affected by voltage fluctuation.
3. Wide application: with universal 2.5mm interface, ensure wide applications, the output distance is up to 60km, very practical.
4. Stable Output: This fiber optic source tester saves energy, could generate power stably, is a good tool to test fiber optics.
5. EASY TO CARRY The fiber optic tester is compact size, lightweight, comes with pen case and lanyard, more convenient to carry.

Specification:
Item Type: Visual Fault Locator
Material: Aluminum
Universal interface: 2.5mm (FC SC ST)
Output wavelength: 650nm ±10nm
Output optical power: >60MW
Fiber Optic Adapter: Universal Connector
Output distance: 60 KM
Operating temperature: 0°C to +60°C
Storage temperature: -20°C to +70°C
Battery type: 2 x 1.5V AA batteries (shipped without battery)

How to use:
Install with 2 AA batteries to use directly.

Packing List:
1 xVisual fault locator
1 x Pen Case
1 x Cord
1 x Manual

Note:
Do not aim at the eyes.