Features: 1. This optical power meter supports linear mW and nonlinear index dBm display simultaneously 2. IP65 dustproof and waterproof, it passes the 2 meter drop test and it will damage easily. 3. Automatically shut down when not in use for a long time 4. Backlight screen can provide a clear reading for you. 5. Large battery capacity, it can use for 60hours Specification: Condition: 100% Brand New UT692D: Specifications UT692D Measurement Range (dBm) -70~+10 Wavelength Range (nm) 800-1700 Connector Universal connector FC/SC/ST ( FC as standard, SC and ST adapter as options) Detector Type InGaAs Uncertainty ±5% Calibrated Wavelength (nm) 850, 980, 1300, 1310, 1490, 1550, 1625, 1650 Display Resolution Linear: 0.1%, logarithmic: 0.01dBm Auto Power Off (min) 10 Low Battery Indication Low battery indication at about 3.3V, auto power off at about 3V Battery Operation Time (h) ≥60 Drop Height (M) 2 Operating Temperature 0℃~40℃ Storage Temperature -10℃~50℃ Net Weight (g) 286 Certification CE, IP65,RoHS General Characterisitics Power 1.5V battery x 3(not included) Product color Red and grey Product net weight 286g UT692G: Specifications UT692G Measurement Range (dBm) -50~+26 Wavelength Range (nm) 800-1700 Connector Universal connector FC/SC/ST ( FC as standard, SC and ST adapter as options) Detector Type InGaAs Uncertainty ±5% Calibrated Wavelength (nm) 850, 980, 1300, 1310, 1490, 1550, 1625, 1650 Display Resolution Linear: 0.1%, logarithmic: 0.01dBm Auto Power Off (min) 10 Low Battery Indication Low battery indication at about 3.3V, auto power off at about 3V Battery Operation Time (h) ≥60 Drop Height (M) 2 Operating Temperature 0℃~40℃ Storage Temperature -10℃~50℃ Net Weight (g) 286 Certification CE, IP65,RoHS General Characterisitics Power 1.5V battery x 3(not included) Product color Red and grey Optional Style: UT692D, UT692G Size: Approx. 189 * 87 * 45mm / 7.4 * 3.4 * 1.8in(UT692D) 295 * 250 * 210mm / 11.6 * 9.8 * 8.3in(UT692G) Package List: 1 * Optical Power Meter 1 * Black Bag 1 * English User Manual