Features:
Display relative optical power
Test online without interruption/breaking the link
Signal Detection 270Hz, 1KHz, 2KHz
Identify the propagation direction of light alarm and LED display 
4-Fixtures included support bare fiber, 0.9mm, 2mm, 3mm fiber
Test sensitivity -40dBm to 10dBm
Low power alarm
 
Specification:
Wavelength recognition range: 800-1700nm
Identification signal type: CW, 270HZ±5%, 1KHZ±5%, 2KHZ±5%
Probe Model: 1 InGaAa 2pcs
Adapter type (mm): H 0.9/0.25 for bare fiber H 2.0/3.0 for tail fiber
Signal direction: Left and right LED indication
Relative optical power value: Digital display
Optical signal frequency: 270HZ, 1KHZ, 2KHZ LED indicator display
Working temperature (°C): -10 ~ 60
Storage temperature (°C): -25 ~ 70
Power supply battery: 9V dry battery (not included)

Package list:
1 * Optical Fiber Identifier
4 * Adapters
1 * Hand Bag
1 * Instruction Manual 􀁌