Car battery checker

1, For all 12V batteries;
2, Micro processor inside to detect and analyze power level; 3LED to indicate;
3, Under: 11.8V-Red light; 11.8V to 12.3V-Yellow light; above 12.3V-Green light;
4, PC case and Teflon wire which are able to work under tough conditions.
5, Accuracy: ±0.1V;
6, Standard terminal: U shape;
7, Output electric wire length: Red-positive: 11CM; Black-Negative: 31CM;
8, 3M sticker backside(1mm thickness);
9, Patent number: ZL 2013 3 0047437.7.