Camera Tester 1610nm Multifunctional Portable OTDR for 8MP AHD TVI CVI UTP Cable 100‑240V US Plug Item Type: Camera Tester Material: ABS Mode: MT 6500 Memory Card: Shipped with card Engineering Battery: 7.4v lithium battery x 1(5200mah)(shipped with built in battery) Line Finder: AA x 2(shipped without battery) Wavelength (nm) : 1610 Dynamic Fan Cycle (dB) 2:28 Incoming Light Detection: Not supported Test With Light: Supported Pulse Width (ns) : 5, 10, 20, 30, 40, 80, 160, 300, 500, 800, 1000, 2000, 4000, 6000, 10000, 20000 Test Distance: ≤ Approx. 150000m / 492126ft Event Blind Area (m)2: ≤ Approx. 2.2m / 7.2ft Attenuation Blind Area (m)3: ≤ Approx. 15m / 49.2ft Linearity (dB/dB) : ±0.05dB/dB Loss Threshold (dB) : 0.05 Loss Resolution (dB) : 0.01 Sampling Resolution (m) : 0.125 to 8 Sampling Number: 32K Distance Uncertainty (m) : ±(1m and 5 x 105 x distance and sampling spacing) Range (km) : 0.5, 1, 2, 5, 10, 25, 50, 100, 200 Typical Real Time Refresh Duration: 1 second Interface Type: SC PC