ITEM NAME:Portable Digital Automotive Tester Voltage Current Multimeter Meter Dwell Description: 1999 Counts Automotive multimeter, handheld and easy to carry. Auto ranges and manual range. Can be use for measuring DC Voltage, AC Voltage, DC Current, AC Current, Resistance. Diode and Continuity Test, Engine Dwell and Engine Rev test. With Data hold, Maximum value hold, Function transform, Back light, Auto warning, Auto power off. Comes with one pair multimeter probe, it's a great tool for car. Specification: Model: UA973 DC Voltage: 200mV / 2V / 20V / 200V  ± (0.7% + 3 digits) / 600V  ± (1.0% + 3 digits) AC Voltage: 200mV / 2V / 20V / 200V  ±Ã¯ ¼Ë†0.8% + 5 digitsï ¼â€°/ 600V  ±Ã¯ ¼Ë†1.0% + 5 digits) DC Current: 2A / 10A  ±Ã¯ ¼Ë†2.5% + 10 digitsï ¼â€° AC Current: 2A / 10A  ±Ã¯ ¼Ë†3.0% + 10 digitsï ¼â€° Resistance: 200ÃŽ © /  ±Ã¯ ¼Ë†1.0% + 5 digitsï ¼â€°/ 2kÃŽ © / 20kÃŽ © / 200kÃŽ © / 2MÃŽ ©  ±Ã¯ ¼Ë†1.0% + 2 digitsï ¼â€°/ 20MÃŽ ©  ±Ã¯ ¼Ë†1.2% + 5 digitsï ¼â€° Engine Dwell: 4CYL / 6CYL / 8CYL  ±Ã¯ ¼Ë†3 º ) Engine Rev: 4CYL / 6CYL / 8CYL  ±Ã¯ ¼Ë†3.0% + 3 digitsï ¼â€° Max. display: 1999 Diode: Yes Dynatron: Yes LCD Backlight: Yes Continuity Buzzer: Yes Input Impedance: 10M Sampling Time: approx. 0.4 second Low Battery Indication: Yes Data Hold: Yes Auto power off time: 15 min. Power Supply: 1.5V×2 AAA batteries. (Not Included) Operating Temperature: 0 °C to 40 °C (32 °F to 104 °F) Storage Temperature: -10 °C to 50 °C (10 °F to 122 °F) Size: approx. 150 x 70 x 42mm Package Includes: 1 Piece Digital Multimeter Voltmeter SKU: DMO0013416473002288.(Auto ranges and manual range. Engine Dwell: 4CYL / 6CYL / 8CYL  ±Ã¯ ¼Ë†3 º ). Input Impedance: 10M. Resistance: 200ÃŽ © /  ±Ã¯ ¼Ë†1.0% + 5 digitsï ¼â€°/ 2kÃŽ © / 20kÃŽ © / 200kÃŽ © / 2MÃŽ ©  ±Ã¯ ¼Ë†1.0% + 2 digitsï ¼â€°/ 20MÃŽ ©  ±Ã¯ ¼Ë†1.2% + 5 digitsï ¼â€°.