Item Type: Fiber Optical Power Meter_x000D_Material: ABS_x000D_Model: AUA G710B_x000D_Output Optical Power: >50MW_x000D_Output Distance: 50KM_x000D_Power Supply: 2 x AA battery (excluded)_x000D_Power Measurement Range: -70-10dbm_x000D_Probe Range: InGaAs_x000D_Wavelength Range: 800-1625nm_x000D_Standard Wavelength (nm): 850, 980, 1300, 1310, 1490, 1550, 1625_x000D_Display Resolution: _x000D_Linear Display: 0.1% _x000D_Logarithmic display: 0.01dBm_x000D_Working Temperature (): -10 - 60_x000D_Storage Temperature (): -25 - 70_x000D_Automatic Shutdown Time (Minute): 10 minutes_x000D_Continuous Working Time of The Battery: Not less than 40 hours 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.1 xFiber Optical Power Meter 1 x FC Conversion Connector 1 x Instruction