• Dual display design, easy to monitor the charge voltage and current of your digital USB device to ensure the optimal charge rate

• Simultaneously displaying of Amp and Volt in real-time

• 7 mode USB monitor - Digital multimeter can be used to measure Voltage, current, capacity, and power going to your phone/battery pack and choose 7 different modes the by one button

• Dual USB output - Output I 1 is dedicated for both data sync and battery charging; Output Port 2 has built-in circuit for accelerated large current fast charging

Technical parameters:

• Supply voltage, test voltage: DC 3.2 - 10V

• Test Current: 0 - 3A (10A Maximum, If more than 3A, can not work continuously)

• Operating Current: <20mA

• Display: 0.28" LED, Red/Blue

• Product Dimensions: 69 x 26 x 18mm

• USB extension cable: about 120mm

• Measuring rate: >= 500mS / times

• Accuracy: 1% (+/- 2 digits)

Extreme working conditions:

• Low supply voltage: +3.2 V

• Maximum supply voltage: +10 V

• Working temperature: -10 to +65 centigrade

• Operating Humidity: 10 to 80% (non-condensing)

• Working pressure: 80 - 106kPa

• Sun exposure: no direct exposure