AFL Noyes OFL250B SM 1310 1550 Fiber Flex Tester & Power Meter DVD Recorder Utilizes the same high quality 80s Utilizes the same high quality consumables as the Vulcan MIG 180 MIG gun that comes with the Vulcan MIGMax 140 this driver is faster and longer than the original rocketballz driver Standard features include: 1310 1550 nm or 1550 nm only OTDR with 26 dB dynamic range Integrated Optical Power Meter (OPM) with Wave ID Integrated Optical Light Source (OLS) with Wave ID Integrated Visual Fault Locator (VFL) The AFL OFL250 is a single mode OTDR ideal for fault locating and basic testing of single mode fibers in metro and access networks