Welcome to the store! 1. 10 WAVELENGTHS AND SC FC ST ADAPTER: Fiber optic power meter includes 10 wavelengths, 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650 nm and with SC FC ST adapter. 2. AUTOMATIC SHUTDOWN FUNCTION: Optical power network cable wire tester has a 10-minute automatic shutdown function and is fast and accurate. Provide you with a more accurate numerical reference. 3. INTERNAL 650MAH BATTERY: Network cable tester optical power meter adopts a sensitive chip and robust internal structure. Low battery consumption. Capacity internal 650mah internal 3.7V Li-ion battery. 4. CALIBRATION FUNCTION: No need to wait for warm-up for this meter. Our optical power network cable tester can do plug and play with accurate measurement, relative power calculation, calibration function. 5. MAINTENANCE USE AND SUITABLE SCENES: Fiber optic power meter will cover most of the requirements of communication engineering maintenance. Suitable for garages and workshops. Item Type: Fiber Optic Power Meter Material: ABS Power Supply: Internal 3.7V lithium battery x 1, capacity 650mah (shipped with battery) Power Measurement Range: -50 - +26dBm Probe Range: InGaAs Wavelength Range: 850-1650nm Standard Wavelength: 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm Display Resolution Linear Display: 0.1% Logarithmic Display: 0.01dBm Operating Temperature: -10 - +60℃ Storage Temperature: -25 - +70℃ Automatic Shutdown Time: 10 minutes Battery Life: Not less than 40 hours 1 x Optical Power Meter 1 x User Manual 1 x USB Cable 1 x Lanyard Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!