OTDR Fiber Optic Tester 1625nm 500m to 160km 33db 7in Screen 5 in 1 OTDR Tester with SC ST LC Adapter 110‑240V Black US Plug Item Type: OTDR Fiber Optic Tester Model: TMO350 SB33 Material: ABS Attenuation Zone: Approx. 5m / 16.4ft Pulse Width: 3ns, 5ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1 μs, 2 μs, 5 μs, 10 μs, 20 μs Test Distance: 500m, 2km, 5km, 10km, 20km, 40km, 80km, 120km, 160km Measurement Time Usage Definition (smart link); Real time measurement function Linearity: Less than or equal to 0.05 dB/dB Loss Threshold: 0.01dB Loss Resolution: 0.001 dB Distance Resolution: 0.01m Sampling Resolution: less than 0.25m Sampling Point: 128000 points at most Internal Light Source: 10mw, CW/2Hz Stable Laser Source: Greater than - 5dBm Data Storage: 80000 sets of curves Display: 7in capacitive touch screen Battery: 7.4V 6.6Ah lithium battery Capacity: 6600mah, can work continuously for 8 to 10 hours (shipped with built in battery) Operating Temperature: - 10℃ to +50℃ Storage Temperature: - 20℃ to +75℃ Relative Humidity: Less than or equal to 90% Interface: SC, ST, bare fiber adapter