Feature 1VARIOUS FUNCTIONS: Visual fault locator uses a highly integrated chip that integrates power management, signal modulation, and switch control 2CORROSION RESISTANT MATERIAL: VFL fiber tester through fiber coupling, optical power packaging, excellent aluminum alloy material has strong performance, corrosion resistance, feel comfortable 3COMPREHENSIVE PROTECTION: Fiber optic cable tester adopts nano technology, multiple electrostatic protection With light mouth protection device, pen design, easy to use and carry 4COMPACT AND PORTABLE: Fiber optic visual fault locator has compact size, easy to put in the pocket, does not take up space, convenient for travel, not only appearance, function also give you a new experience 5WEAR RESISTANT AND NON SLIP: Fiber optic cable tester with strong red light, metal body is wear resistant and fall resistant Standard 2.5mm interface, non slip handle, feel comfortable 6EXCELLENT PERFORMANCE: Visual fault locator can easily penetrate long distance optical fibers Excellent laser head has strong stability and good penetration effectItem Type: Visual Fault LocatorMaterial: Aluminum alloyBattery: 2 x 1.5V AA battery(without battery)Use: Optical fiber communication detectionBasic Parameters: Working Wavelength: 630nm-670nm .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 Instrument1 x User Manual1 x Portable Bag1 x Lanyard Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.