Item Type: Visual Fault DetectorModel: HT 15Material: AluminumUniversal Interface: 2.5mm (FC SC ST)Output Wavelength: 650nm10nmOutput Optical Power: >15mwOptical Fiber Adapter: Universal ConnectorOutput Distance: 15kmOperating Temperature: 0-60Storage Temperature: -20-70Battery Type: 2 x 1.5V AA 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; } 1MAIN PURPOSE: The visual fault detector is specially designed for the design and maintenance of optical fiber, to locate the fracture and defect on the optical cable. 2LESS INTERFERENCE: Non contact connection, lossless optical fiber and the end face of the transmitter, the output power is not affected by the voltage fluctuation. 3WORKING RANGE: The output wavelength of the optical fiber detector is 650nm10nm, the output distance is 15KM, with less interference, the detector is stable and reliable. 4PORTABLE DESIGN: The visual fault detector is a portable design, small and compact, with stable output power, suitable for indoor and outdoor use. 5ALUMINUM SHELL: The optical fiber test pen shell is made of aluminum, which is lightweight, corrosion resistant and abrasion resistant, ensuring long term use.