[ Digital Voltmeter ] TekPower TP8231 Pocket Size Auto Rangeing DMM with Non-Contact Voltage Detector Intelligent auto ranging and auto selection meter with non-contact voltage sensor (NCV) Fool-proof operation without a rotary switch, automatically select range and parameter: AC Voltage, DC Voltage, Resistance, or Continuity Ultra-compact and portable design: measures 5" X 3" X 1" and weighs less than 4 oz with non-detachable test leads Back-lit, easy-to-read LCD display with a maximum reading of 1,999 Powered by 2 AAA batteries (included)