The new super slim volt meter comes with the low voltage warning, so it will warn you when the battery is wrong.
The digital display is more precise than the traditional meter, and it will be easier for you to notice the problem of the battery in the very beginning.
Volt Meter Range DC6.0-19.9V, meter to flash warning when voltage falls below 11.5V
Effective Temp Range -10 to 60 ℃
Meter Size 56.9 X 29 X 11mm
Meter Weight Around 20 g