说明

• 15W 3A USB Digital Current Voltage Tester Battery Voltmeter Ammeter Power Bank LCD Display Charger Medical Power Detector Test Features: 1 new and high-quality 2 can measure the present and voltage of energy devices with USB ports three and play, no additional strength required 4 voltage and current will be displayed in circles 5 size, simple, and handy to carry Parameters: Power: 15 (W) Power supply voltage: 4-30 (V) Measurement range: 0-3 (A) Resolution: Voltage is 10mV, latest is 10mA Error range: voltage<± 1%, current<± 2% Full scale voltage drop: 200mV Operating temperature: 0-60 ℃ Package include: USB current Voltmeter * 1

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