LONG OUTPUT DISTANCE: This 10mW visual fault locator output strong red light goes 10 kilometers far, high effective power circuits allows for stable power.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.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.Shell Material: Aluminum Pen-typeOutput Optical Power: more than 10mWOutput Distance: 10KMWavelength: 650nm 20nmUse Temperature: 0-60Storage Stability: -20-70Operating Model: Both CW and Pulse availableApplicable interface: ST/SC//LC (LC interface requires additional adapter)Power: 2 AA batteries (included)Colour: Black+OrangeMaterial: MetalPackage Contents:1 * 10mW Pen-type VFL1 * Carrying Bag1 * Lanyard1 * English Manual2 * AA BatteriesOnly the above package content, other products are not included.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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!