Product Name: Kfi-40 Live Fiber Optical Identifier Komshine Kfi-40 with LED Display Identifying Direction Break Checker FTTH Testing Tool Model NO.: ZY Condition: New Certification: CE, RoHS Transport Package: Carton Origin: China Product Description Function:1.Indicate the signal directions and power in fiber;2.Indicate the signal presence or absence(Live or dark fiber);3.Efficiently identifies the traffic direction and frequency tone (270Hz, 1KHz, 2KHz) with audible warning;4.Displays the relative power level;5.Easy-to-replace battery;SpecificationsIdentified Wavelength Range750nm-1700nm Insertion Loss 1.0dB Fiber Type <3mm FiberIdentified Signal Type270Hz/1KHz/2KHzDisplay Type LEDDetector Type 1mm InGaAsMinimum detection power-35dBm(1550nm)-30dBm(1310nm)Alkaline Battery 2*AA BatteryBattery Life>60HOperating Temperature 0~+50ºCStorage Temperature -20~+60ºCWeight 150gDimension 230*43*48mmotherFunctionsPower MeasurementAuto-off function