OptiFiber is smaller and lighter than any other mini-OTDR available today, making it perfect for working in tight spaces and crowded distribution closets. Including a module and battery, OptiFiber weighs only 4.5 lb (1.9 kg) making it easy to work with in the field. This handheld solution is compact at 10.6 x 7.5 x 2.5 inches (26.9 x 19.1 x 6.4 cm) for outstanding maneuverability in tight spaces. It is built to withstand the harshest conditions of everyday field use with a vibration and shock resistant case and rugged tactile keypad.