diymore USB Tester USB Meter Tester Voltage Current Tester USB Battery Checker USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Mobile Tester USB Power Tester Monitor DC LED Display

• 【 USB Tester Voltage Current Tester】 The USB checker can detects Voltage, Current, of the USB. Perfect phone charger tester of charging speed and quality. Measuring voltage: 3.0V-7.5V. measuring current: 0-2.5A. 【 Upgraded Color Display Screen 】 The current number is displayed in red and the voltage number is displayed in blue, large size letters which is clear and easy to read. 【 High Quality 】 The usb amp read tester uses a new generation of power four semi~ double loop integral converter IC , with a precision bandgap reference , range accuracy , high precision , stable and reliable performance , strong anti~interference ability. 【 Wide Range of Application 】 The USB voltage checker can measure USB powered or power consumption of the interface , mobile phone charger , U disk and other products. Easily measure the operating current of the output voltage of the USB port and equipment. 【 Small and Portable 】 Our Usb tester is smallsize and no power, just plug to detect USB charger output voltage and current.