The KI2600-INGAAS from Kingfisher International is a Optical Power Meter with Measurement Range(Power) -60 to 10 dBm (for 780 to 980 nm), -70 to 10 dBm (for 1270 to 1650 nm), Wavelength Range 600 to 1700 nm (Response wavelength), Calibrated Wavelength 780 to 1650 nm, Linearity 0.04 dB (Mid-range linearity), Resolution 0.01 dB. More details for KI2600-INGAAS can be seen below.