ITEM NAME:USB Charger Doctor Current Voltage Charging Detector battery Voltmeter Ammeter Description Product Features: This USB Charger Doctor can test your PC, Laptop, Cellphone, Charger, Car Charger, Power Bank ect. USB can be easily measured operating current and voltage output devices , small size, high precision , plug and play Product Description: Material: plastic + electronic components Color: Any color sent at random Dimensions: overall about 6.6 * 2.2 * 1.4cm Weight : 0.16kg Test voltage : 3V-8V Test Current: 0A-2.5A Resolution: Voltage 10mV current 1mA Error: voltage
