- Automatic Wavelength
  Identification
  SLS-50 can send signal to OPM-50
  which can automatically identify
  the wavelength & switch to the
  corresponding  test mode.
- Remote Reference Value String
  SLS-50 can send the power
  parameters of its digital encrypted
  signal to OPM-50 as reference for
  precise link loss measurement even
  the two units are far apart
- FTTx Applicable /
  USB Power Charging with backlight
- Pocketsize, Lightweight
  and Easy to use
- 6dB adjustable power output range
  / Output power display
  Output power can be adjusted at
  minimum 0.01dB/step within a
  range of 6dB and over 70 hours
  continuous operation