Features
1.  Can be operated in measurement of output power with nw, uw, mw, dB and dBm readings.
2.  High display resolution.
3.  Linear and nonlinear display of output power.
4.  Can be used for absolute power measurement and relative measurement of link loss.
5.  Compact design, portable, light weight, energy-saving.
6.  Large LCD display screen, helpful to your eyes.

Applications
1.  Optical device production and research
2.  Testing and maintenance of fiber-optic network
3.  Teaching and test optical communication