UPC 519397043823

• 7 mode USB monitor - DROK USB pocket 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 color LED - DROK USB monitor has red & blue dual-color LED display, which is clear and easy to monitor the charge Voltage and current of your digital USB device to ensure the optimal charge rate.
• Dual USB output - there are two USB Outputs available: output I for device charging & data transfer; output II for charging mobile phones, tablet pcs, iPad or other USB devices.
• Multifunction - this multiple USB detector can be used to monitor output volt and amp of mobile charger cables, power use of raspberry pi or arduino board, compare the performance of solar charger.
• 100% risk-free satisfaction guarantee - With this guarantee, you can buy with confidence. So hurry to get this amazing USB digital Multimeter to test your USB cables, wall chargers, car charger.

Is your mobile device not charging properly, and you suspect the new charger that you bought recently?Do you want to check If your solar charger is giving proper current for your mobile device?Specification:✓ Input voltage : 3.20 - 15.0V✓ Resolution: 0.01V (/=10V)✓ Measuring current: 0.00 -3.00a (10a max, but cannot work in 10a for long time)✓ Resolution: 0.01A✓ Capacitance measurement: 0-99999 MA/H✓ Capacitance accumulation: Yes✓ Power testing: 0.00-9.99-99.9W✓ Over-voltage alarm: when voltage >/=5.6V, voltage digital point will Flash quickly✓ Lacking-voltage alarm✓ Over-current alarm : when current >/=3A, current digital point will Flash quickly✓ Short-circuit alarm: current digital point will Flash quickly dual USB output✓  Output I (dual function - device charging and data transfer)The charging current, in this case, is determined by compatibility. you can view the voltage and current values at the same time.✓  Output II (device charging only)The built-in intelligent charging control IC matches the most appropriate and safest current for your devices automatically. It is used mainly for non-original chargers, but it is suitable for original chargers as well. This universal USB gadget is suitable for most of the mobile phones, mobile power, tablet PCS and other USB devices, like BC1.2, yt/d1591-2009 and non-bc1.2 (including iPad, iPhone and Samsung Galaxy).Get yours today by clicking “add to cart” above!