- Monitoring of 6 and 12 volts possible.
- Easy attachment through eyelets to the battery.
- Power consumption only about 2 ma. 
- Reverse polarity will not damage the transmitter or the battery.
- Download the free app from the Apple App Store or the Google Play Store “JMP Battery Monitor II”
- Voltage recording even while driving. Result can be sent by e-mail. Display of the file in Excel possible.