See Brochure Here.
 
 
ModelCalibrated Wavelengths:  850/1300/1310/1490/1550/1625nm, -50~+27dBm,
W/μW/dBm/dB(REF), Auto-Zeroing
 
Applicable on singlemode/multimode fibers   
Microprocessor & linear amplifier ensure long-time accuracy
Quick response, no warm-up
Interchangeable connectors: FC/SC/ST
Dual-way power supply: 9V alkaline battery/AC adapter
Pocketsize, lightweight and damp-dust-shock proof
Power saving: Auto-off setting
MOD tones detection
Display Units: dB/dBm/mW/μW/W
CE, FCC Certificates