InLine USB Smart Control, Multimeter, charge monitoring

The InLine® USB SmartControl Multimeter combines overheating-,
overcurrent- and overvoltage- protection as well as timer and a capacity counter in one device.
The following control indicators can be selected one by one at the push of a button:
Overall safety status
Overheating protection
Overcurrent protection
Overvoltage protection
Capacity counter
Previous Charge (displays the mAh of the previous charging process)
In addition, a timer can be set for how long a charging operation shall last and then be terminated automatically. The choice is 2, 4, 6, 8, 10 hours

Specification:
Length: 1m
Weight: 43g
Voltage: From 4.5 to 20V
Current: From 0 to 2.5A
Power consumption: 40mW
Scope of delivery: InLine® USB Smart Control, user manual