Feature:1. FAST AND ACCURATE: Fiber optical power meter no need to warm up, plug and play, bring accurate measurement, relative power calculation, calibration function2. SENSITIVE AND RUGGED: Optical multimeter has sensitive chip and rugged internal structure. Low battery consumption, support 40 hours of continuous work3. UNIVERSAL INTERFACE: Mini optical fiber power meter has 10 wavelength and light source, 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm and SC, ST, FC adapter, overs most of the requirements of communication engineering maintenance4. ENERGY SAVING: RJ45 tester adopt for InGaAs probe, realize accurate measurement, 10 minutes automatic shutdown, save energy5. SCRATCH RESISTANT ABS: Fiber tester use excellent ABS material, possess impact resistance, scratch resistance, environmentally friendlySpecification:Item Type: Mini Optical Fiber Power MeterMaterial: ABSPower Supply: 2 x AAA battery required(not include)Power Measurement Range: -50~+26dBmProbe Type: For InGaAsWavelength Range: 850-1650nmStandard Wavelength(nm): 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650Display Resolution: Linear Display: 0.1%, Logarithmic Display: 0.01dbmOperating Temperature: -10~+60Storage Temperature: -25~+70Automatic Shutdown Time: 10minBattery Last Time: Not less than 40 hours.Package List:1 x Optical Power Meter1 x User Manual1 x Lifting Rope