Features:High-quality material: The shell is made of high-quality material, which is drop-resistant, not easy to break, and durable.Wavelength identification: With automatic wavelength identification, our power meters can quickly identify and measure different light sources, simplifying the testing process.Fast and accuracy: The multifunctional optical power meter has a built-in sensitive chip, with accurately measurement results and fasting response.Powerful functions: The multifunctional optical power meter has relative power calculation and calibration functions, and its performance is stable.Self-contained strong light lighting: self-contained high-level LED strong light flashlight, which is convenient for line inspection and construction in dark environments, and the work is more convenient.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Wavelength range: 800~1700nmOptical connector: universal connectorPower measurement range: -70~+10dBm/-50~+26dBmUncertainty: 5%Standard wavelength: 850/980/1270/1300/1310/1490/1550/1577/1625/1650nmLogarithmic display: 0.01dBmRecognizable frequency: 270Hz, 300Hz, 1kHz, 2kHzWorking wavelength: 650nm30nmOutput power: 02mw/15mw/30mwTest distance: 300 metersPower supply: 2 AA batteries (not included), 3.7V/700mAhBattery continuous working time: 120h (optical power meter function)Automatic shutdown time: 10minWorking temperature: -10~+50Storage temperature: -40~+70Relative humidity: 0~95%Size: 120*70.5*27.5mm