1.Test and analyze the battery load system and indicate the battery status including battery life percentage CCA battery voltage and battery resistance to prevent accidental shutdown.2.The battery power is continuously tested without damaging the battery and the reverse polarity and overvoltage protection make it super safe.3.The complete CCA test range (100-1700) provides reliable and accurate operation for larger batteries.4.Compatible with most 12-volt battery types (including Flood batteries AGM batteries gel batteries deep cycle batteries) and work quickly and accurately.5.Equipped with a large LED screen and heavy fixtures and has a buzzer reminder function making it more durable and reliable.Notice:*Actual color may be slightly different from the image due to different monitor and light effect*Please allow 1-3cm deviation due to manual measurementTest object: 12V batteryInput voltage: DC 12VTest items: voltage resistance CCA battery condition.Wide working range:CCA: 100-1700DIN: 100-1000IEC:100-1000En:100-1700includes:1 x Car Battery Tester Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.