ขาย Mini Digital Voltmeter Ammeter 0.28" LED Display USB Detector Charger Doctor Power Current Voltage Tester Meter Monitor ราคาที่ดีที่สุด

Mini Digital Voltmeter Ammeter 0.28" LED Display USB Detector Charger Doctor Power Current Voltage Tester Meter Monitor DC Description: The compact USB dual table can show voltage and current and charge two phones simultaneously Suitable for the vast majority of mobile phones, mobile power, tablet PCs and other USB devices Output 1: data communication function and charging voltage output Output 2: Apple tablet, Apple phone original or non-original mobile charger, through OUTPUT 2, it can high-current charging, but cannot data communications Parameters: Supply voltage, test voltage: 3.2~10V Test current: 0~3A, up to 10A Current Operating current :< 20Ma Display: 0.28” LED Product dimensions: 69x26x19mm USB extension cable: >120mm Measuring rate: >500Ms/times Accuracy: 1% Low supply voltage: +3.2V Maximum supply voltage: +10V Working temperature:-10~+65 Celsius Operating humidity: 10~80% (non-condensing) Working pressure: 80~106kPa Package: 1 x USB Detector