It's cute, goes on easy to check voltage. Whar more do you need?
Battery Tender Digital Voltage Meter
List Price: $16.95
Sale Price: $14.23 $16.95
You save: $3 (16%)
Battery Tender Digital Voltage Meter.
Designed for use on 12v Flooded, AGM and Gel batteries Display voltage range is 3v to 16v. Quick battery status reading with the green, yellow and red lights.