1. Battery tester: Sensitive, fast response, fast and accurate display of batterytest results, check battery starting ability, check charging status.2. Features: No leakage, no heat, no sparks, safe operation, uninterruptedoperation, full protection of overvoltage lines.3. Function: Pass the low-frequency signal test, no need to connect a large loaddischarge test, and detect whether the charging voltage and starting voltage of the car are normal.4. Easy to use: It can be tested directly on the car, no need to remove thebattery, small and light weight, easy to carry.5. Alligator clip: Copper-plated material, wide opening range, strong biteforce, more accurate measurement.6. Wide application: It can be used for automobile performance testingin 4S shops, private cars or repair shops.Specification:Product name: Car Battery TesterColor: GreyMaterial: ABSSize: About 120*53*18mm/4.72*2.09*0.71 inches (L*W)Display: LED lightLight color: Red, yellow, greenVoltage range: 4-12VTest method: Positive and negative test clip6 LED lights:Generator status check:The first indicator (red): FaultSecond light (green): GoodThird light (green): FullBattery status check:The first light (yellow): MediumSecond light (red): LowThird light (green): OKThe package includes:1Pc * Car Battery Tester1Pc * English manual