Car Electrical Circuit Tester 0 to 65V 4 Diagnostic Modes Short Circuit Repair Tool Fit For All 12V 24V Car Batteries Item Type: Car Electrical Circuit TesterMaterial: ABS, copperProduct Model: P100 PLUS Operating Voltage: 0-65V Resistance Range: 0-100 kΩ Rated Current: 1-10ampereFrequency Response of Sound Channel: 0Hz to 10Khz High Voltage Capability: Display up to 60 volts, 0.1 volts resolution Three Additional Modes: MIN/Maximum/Sound monitoring 4 Diagnostic Modes: DC Voltage: Touch the probe tip to the circuit, then the LCD display will read the DC voltage with 0.1 volt resolution AC 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 wire Tone 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 low Application: Suitable for all 12/24V car batteries