Feature 1STABLE AND POWERFUL: Visual fault locator has a longer penetration distance, stable performance and long service life 2SIMPLE TO REPLACE: VFL visual fault locator support FC, SC, and ST interfaces and come with a detachable metal pen tip for easy replacement of ceramic cores 3WORKING PRINCIPLE: Fiber optic visual fault locator is driven by a constant current source, connected to the optical interface, and then enter the multi mode and single mode optical fiber to realize the fiber fault detection function 4APPLICABLE SCENARIO: Network cable tester is an indispensable tool in optical fiber engineering construction, optical network maintenance, optical device production and research 5WITH BAG: Optical continuity network cable tester equipped with a storage bag for easy storage, portability and access, and also prevent damage and lossItem Type: Visual Fault LocatorOutput Distance: 1KMWavelength: 650NM10NMOptical Fiber Connector: Universal 2.5MM connectorOperating Temperature: +10 to +45Blinking Frequency: 1HZOperating Humidity: 30% to 90%Battery Type: 2 x AAA battery(not included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Visual Fault Locator1 x Storage Bag