* Accuracy lower than ±0.2dB
* Built in LED Light, Easy to operate in the dark environment
* 20 hours continuous use
* 7 Wavelengths ( 850/980 /1300/1310/1490/1550/1625nm )
* Pocket Design, mini and compact
* Universal adapter design, suit for SC, FC, ST Connector
* Range of measurement: -50~+26dBm
* Users can calibrate the value manually