OKRAY 3.5A 15V Dual USB 2.0 Voltage Amp Power Meter Tester Multimeter, Charging Current Voltage Monitor, Test speed of charger cable, capacity of power bank, Watt Meter, 9 Modes Tester (White )

Item description:
Input Votage:3.0-15V;
Input Current:0-3.5A;
Voltage measurement error: when 3.0-15V, ±1%;
Current measurement error: when 50-3500mA, ±1%;
Maximum Capacity Value: 99999 mAh;
Maximum Save Data Group: 9
Over-voltage alarm: When >13V,Or <4.6V, voltage digital point will flash quickly, and buzzer will alarm.
Over-current alarm : When current >3.1A, current digital point will flash quickly,and buzzer will alarm.

Button Function:
1. When the monitor is closed, click the button to open. The monitor is open, click the button to turn to view data in each group. Each click to display next group of data, and 9 groups can take turns to view. The group of digital flashes 5 seconds, after 5 sec without any operation, the screen will come back to show the current group data. Double click the button to switch to the next group of capacity data record. The current data will be deleted after holding buttion for 2-3 seconds.
2. 5 sec without any operation, the display automatically shut down.
3. Over voltage (>15V) or over current (> 3.5A) shuts off output, to prevent the twice damage to the load device without monitoring, this item have to be shut down (it means just take out from power) then use again.

Important Notice:
Input voltage ust not over 15V, or may cause permanent damage to the equipment.

Compatible with
This universal usb gadget is suitable for most of the mobile phones, mobile power, tablet PCs and other USB devices including iPad, iPhone and Samsung Galaxy.

Package:
1PCS USB Charging Voltage Current Monitor