Feature:1. Application: Car electrical circuit tester suitable for all 12/24V car batteries, with 4 diagnostic modes, professional performance and reliable design to meet your usage needs.2. Function: The diagnostic provides a comprehensive analysis of battery health to help you know the status of your battery in advance before it runs out.3. Security Protection: Designed with reverse polarity protection, if the positive and negative polarity is reversed, it will not damage the device and will not affect the car or the battery.4. Real Time Monitoring: The voltage of the car starting system and charging system can be monitored in real time to help users fully understand the data and characteristics of the car battery.5. Accurate Diagnosis: Built in intelligent microprocessor, making the test fast and accurate, the test results can be displayed within two seconds, bringing you an excellent use experience.Specification:Item Type: Car Electrical Circuit TesterMaterial: ABS, copperProduct Model: P100 PLUSOperating Voltage: 0-65VResistance Range: 0-100 kRated Current: 1-10ampereFrequency Response of Sound Channel: 0Hz to 10KhzHigh Voltage Capability: Display up to 60 volts, 0.1 volts resolutionThree Additional Modes: MIN/Maximum/Sound monitoring4 Diagnostic Modes:DC Voltage: Touch the probe tip to the circuit, then the LCD display will read the DC voltage with 0.1 volt resolutionAC Voltage: Touch the probe tip to the circuit, then the LCD display will read the maximum value. Voltage, Minimum Voltage, Frequency and Duty CycleResistance: Touch the probe tip to the circuit, then the LCD display will read the resistance between the tip and the auxiliary ground wireTone On/Off: Simply press the mode button quickly to turn the tone on or off, while pressing (and releasing) the mode button quickly, if you hear a short high tone, the audio tone is on, if you hear a short low beep, the audio tone is lowApplication: Suitable for all 12/24V car batteries.Package List:1 xCircuit Diagnostics Kit(6PCS)1 x Tool Box 1 x User Manual Note:1. Always perform automotive testing in a safe environment.2. Do not attempt to operate or observe the tool while driving a vehicle operating or observing tool will cause driver distraction and could cause a fatal accident.3. Keep clothing, hair, hands, tools test equipment etc away from all moving or hot engine parts.4. Operate the vehicle in a well ventilated work area, exhaust gases are poisonous.5. Put blocks in front of the drive wheels and never leave the vehicle unattended while running tests.6. Use extreme caution when working around the incognito coil distributor, cap ignition wires and spark plugs these components create hazardous voltages when the engine is running.7. Put the transmission in p(for A/T)or N(M/T)and make sure the parking brake is engaged.8. Don't connect or disconnect any test equipment while the ignition is ON or the engine is running.9. Keep the tool dry, clean free from oil/water or grease. Use a mild detergent on a clean cloth to clean the outside of the scan tool when necessary.