SINOTIMER SPM003 AC LED Digital Voltmeter Frequency Factors Meter Power Monitor, AC80-300V 100A, AC200-450V 100A trinocular microscope principle this scale is perfect for

this scale is perfect for jewelry enthusiasts

providing reliable optical performance and a wide range of magnification options

Super high sensitivity up to 1120mV(IMX264)

A proctoscope is a short

SINOTIMER SPM003 AC LED Digital Voltmeter Frequency Factors Meter Power Monitor, AC80-300V 100A, AC200-450V 100A trinocular microscope principle this scale is perfect for1. Reference voltage: 220V 2. Current: up to 100A 3. Display mode: LED display 4. Frequency: 50Hz 5. Voltage measurement error: + 2 percent 6. Thick material, durable, not easy to wear and corrosion 7. Mini size, easy to carry out of work 8. LED digital display design, the value is clear at a glance 9. Efficient and stable working performance, long service life 9. Function: measure and display voltage, current, power, frequency, etc 10. Size: about 79