100% brand new and high quality Feature: Suitable for all kinds of interface, 2.5mm universal connector, can be used for FC/SC connectors. Suitable transmission and good penetration. Humanized design, easy to use, sliding cover switch design, simple control VFL state. Adopt good quality chip, easily penetrate fiber optic patch cord. There are two modes of constant light and flashing, which can easily detect the power failure of the line. Reinforced aluminum alloy material, the pen body is forged by aluminum alloy with good oxidation resistance and long service life. Specifications: Output Distance: 10Km, 20Km, 30Km Connectors: 2.5mm Connector Power: 2 x AA batteries (Not Include) Material: Metal and Plastic Length: approx.175mm/6.89in Shell Color: Black Light Color: Red Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Visual Fault Locator (other accessories demo in the picture is not included)