Features 1、POWERFUL CHIP: Powerful light source integrated chip, integrating power management, signal modulation, and switch control 2、MEET DIFFERENT NEEDS: Adopt standard 2.5mm universal connector, can support FC interface, SC interface, ST interface 3、PORTABLE AND CONVENIENT: Ergonomic design, compact and portable, easy to take with one hand. Replaceable ceramic die, more convenient to use 4、DUST PROOF PEN TIP: The laser head protective cover adopts an open cap type pen tip to prevent the laser head from being damaged by dust 5、A VARIETY OF MODES: Long light and flashing modes can be switched at will, and the line breakpoint can be easily checked Specification Item Type: Fiber Visual Fault Locator Output Wavelength: 650nm±10nm Battery: 2 x AAA batteries(not include) Package List 1 x Fiber Visual Fault Locator 1 x User Manual