LONG OUTPUT DISTANCE: This 10mW visual fault locator output strong red light goes 10 kilometers far, high effective power circuits allows for stable power.<br> METAL MATTE PAINT DESIGN: It is designed with a stainless steel head and aluminum body to prevent crash and dust, and the case ground design prevents ESD damage efficiently.<br> WIDELY USED: The 2.5mm universal connector of the detector is compatibly designed for ST, SC, , LC interferes both in a circle and square shape of different fiber optic cables. Test for both single-mode and multi-mode cables.<br> Shell Material: Aluminum Pen-type<br> Output Optical Power: more than 10mW<br> Output Distance: 10KM<br> Wavelength: 650nm 20nm<br> Use Temperature: 0-60<br> Storage Stability: -20-70<br> Operating Model: Both CW and Pulse available<br> Applicable interface: ST/SC//LC (LC interface requires additional adapter)<br> Power: 2 AA batteries (included)<br> Colour: Black+Orange<br> Material: Metal<br> Package Contents:<br> 1 * 10mW Pen-type VFL<br> 1 * Carrying Bag<br> 1 * Lanyard<br> 1 * English Manual<br> 2 * AA Batteries<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.