1、AUTOMATIC IDENTIFICATION OF AC VOLTAGE MEASUREMENT: Quickly identify and measure AC voltage, do not worry about gear wrong burning multimeter, automatic identification of range, simple and easy to use 2、DC VOLTAGE MEASUREMENT DATA RETENTION: The multimeter can quickly and accurately measure the voltage value of the automobile battery, and automatically identify the measurement with high accuracy. Press H to lock the current measurement value on the screen 3、ELECTRICAL APPLIANCE MAINTENANCE RESISTANCE MEASUREMENT: Digital multimeter support resistance maintenance measurement and detection, automatically identifies the range without switching function, and the large range meet most maintenance needs 4、NON CONTACT INDUCTIVE NCV DETECT POWER SUPPLY: When the electrical tester built in sensor detect a nearby AC voltage, the screen goes up 3 squares exponentially and an alarm beep is sounded 5、POWER SAVING AUTOMATIC SHUTDOWN: If the mini multimeter is not used within 15 minutes, will automatically close, saving power and worry, small size is more portable and easy to carry 6、LINE CONNECTION DETECTION BUZZER PROMPT TONE: AC voltmeter ammeter ohmmeter can detect whether the wire is broken or not. Connect the meter to the two ends of the wire and there will be a buzzer to prove that the line is through, and no buzzer to prove that the line is broken Item Type: Multimeter Material: ABS Battery: 2 x AAA batteries(not included) Maximum Allowable Voltage Between Measurement Terminal And Ground: 600V DC or AC RMS Sampling Rate: Approximately 3 times per second Overload Indication: LCD display shows "OL" Low Battery Indication: "l1t" displayed on the LCD when battery voltage is below normal working voltage Input Polarity Indication: Automatically display "-" sign Color: Black 1 x Digital Multimeter 2 x Test Pen 1 x User Manual