1、Ergonomic design, contracted appearance, compact design, excellent hand feel, easy to use. 2、The shell is made of imported environmentally friendly engineering plastic, and the interior adopts the latest microcomputer control chip. 3、Can quickly detect the conditions of the 12V car battery and its charging system, and indicate by the corresponding LED. 4、Monitor whether the battery voltage and charging system work normally from time to time, keep the battery used under normal working voltage to extend and protect the battery and engine life. 5、Applicable models: 12V storage batteries for battery cars, motorcycles, golf carts, and family cars (except 24V storage batteries for buses and large trucks). Features: Ergonomic design, contracted appearance, compact design, excellent hand feel, easy to use. The shell is made of imported environmentally friendly engineering plastic, and the interior adopts the latest microcomputer control chip. Can quickly detect the conditions of the 12V car battery and its charging system, and indicate by the corresponding LED. Monitor whether the battery voltage and charging system work normally from time to time, keep the battery used under normal working voltage to extend and protect the battery and engine life. Applicable models: 12V storage batteries for battery cars, motorcycles, golf carts, and family cars (except 24V storage batteries for buses and large trucks). Specification: Condition: Brand New Material: PVC plastic Color: Shown as picture Measuring range: 2~14.8V Voltage display color: red, yellow, green Measurement method: connect the positive (+) and negative (-) poles of the car battery to measure the voltage range of the car battery. Package List: 1 * Car Battery Tester