Electrical tester offers all the functionality that electricians look for in volt meters and voltage and continuity testers|Backlit LCD display for easier viewing|Display resolution of 0.1 V, ideal for troubleshooting low voltage lighting|9.99 kOhm resistance|Rotary field indication, GFCI trip, continuity beeper|Display hold for easier viewing in hard to test areas|Three forms of AC/DC voltage indication, light, sound and vibration for added user protection and convenience|Detect live voltage even when the batteries are dead|Extra heavy duty, replaceable test leads for more flexibility and durability|On/off switchable beeper, selectable according to your environment, bright LED flashlight for work in poorly lit areas|Compliant with latest NFPA 70E recommendations|Replaceable test probes for added flexibility and convenience, convenient probe storage on the back, probe holder for easier testing|Hazardous voltage warning light for added user protection|Test lead strap included for better test lead management|Safer than traditional solenoid testers and fully compliant with NFPA 70E|Auto-OFF saves battery power 40 hr battery, duty cycle for voltages up to 240 VAC, LEDs turn on at voltages > 30 VAC/VDC +/-35%, 12, 24, 48, 120, 208, 240, 277, 480, 600 VAC LED voltage indication levels, except for the 12 V LED which turns on between 50% and 100%|+/-(3% Reading + 2 Digits) for AC voltage, +/-(2% Reading + 2 Digits) for DC voltage, +/-(5% Reading + 3 Digits) for resistance LCD accuracy|0.1 VAC for voltages <50 VAC, 1 VAC for voltages 50 VAC, 0.01 kOhm for resistance LCD resolution|40 hr battery life|-10 to 55 deg C operating temperature