Features 1、[CLEAR DISPLAY] The clear screen display of the power meter allows you to read clearly, and these details can greatly improve your experience. 2、[SENSITIVE CHIP] The sensitive chip inside the power meter makes the display result accurate and can perfectly test the connection loss. 3、[LONG BATTERY LIFE] The optical power meter has a long standby time, and the battery can be used for at least 40 hours, which is convenient for your use. 4、[ABS HOUSING] The shell of the optical power meter is made of ABS which is resistant to drop and wear, and is also light and easy to carry. 5、[AUTO POWER OFF] The optical power meter has an automatic shutdown function, which will automatically shut down after ten minutes of inactivity, extending the use time. Specification Item Type: Fiber Optical Power Meter Material: ABS Model: AUA G710B Output Optical Power: >50MW Output Distance: 50KM Power Supply: 2 x AA battery (excluded) Power Measurement Range: -70-10dbm Probe Range: InGaAs Wavelength Range: 800-1625nm Standard Wavelength (nm): 850, 980, 1300, 1310, 1490, 1550, 1625 Display Resolution: Linear Display: 0.1% Logarithmic display: 0.01dBm Working Temperature (℃): -10 - 60℃ Storage Temperature (℃): -25 - 70℃ Automatic Shutdown Time (Minute): 10 minutes Continuous Working Time of The Battery: Not less than 40 hours Package List 1 x Fiber Optical Power Meter 1 x FC Conversion Connector 1 x Instruction