2Pcs Visual Fault Locator Vfl-30 Fiber Tester Visual Fault, Purple Switch Product Features ?Ultra Long Distance Test?The Fiber Optic Visual Fault Locator (the fiber optical fault detector) has a strong source output power, which can detect fiber patch cord faults within 30 kilometers. ?Functions? The Fiber Optic Visual Fault Locator can detect fiber connectivity and locate fiber faults, such as fiber breaks or bends. In addition, it also has functions such as fault detection in the OTDR blind zone, end-to-end fiber identification, and mechanical continuous point optimization. (Package does not include battery) ?Advantage?The fiber optic tester is perfect for field tests because of its multiple functions such as constant output power, multi-interface adaptation, low battery warning, long battery life, and long-distance detection. ?Application?2.5mm Universal Connector - the connector of the detector is compatibly designed for ST, SC, FC, LC interferes both in circle and square shape of different fiber optic cables. It can be used in telecommunication/CATV engineering and maintenance, integrated wiring construction and maintenance, optical device production and research and other optical fiber engineering. ?Dust-proof and Non-slip Design?The dust cover design keeps the Locator clean to protect the accuracy of the test; the aluminium body purchases a metal mesh design to increase friction and prevent it from falling out of yourhand during use. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!