Mini optical power meter, red light fiber optic cable tester, with 15MW USB charging

1. 4-IN-1 FUNCTION: Multifunctional optical wattmeter with a red light source, RJ45 network test, and LED light function, offering great practicality.

2. GOOD PERFORMANCE: The power sensor supports fast and accurate measurement without warm-up time, with relative power calculation and self-calibration.

3. OPERATING RANGE: The power measurement range is -70 to -10 dBm, with standard wavelengths of 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, and 1650 nm.

4. POWER SUPPLY: This fiber optic wattmeter is rechargeable, equipped with a 7V 650mAh polymer battery and a USB charging cable, making it convenient and functional. 5. GOOD STABILITY: Thanks to its sensitive chip, this portable optical wattmeter has a compact size and a robust internal structure for stable and reliable operation.