Check the listing for details. AC/DC Voltage Phase Tester 690V Voltmeter Digital LEDs Phase Rotation Continuity. Condition: New. Listed at 25.99 USD. 【Multifunction Voltage Tester】BTMETER AC DC Voltage Tester Can withstand AC and DC voltage (including three-phase AC measurement), three-phase AC power display phase, on-off test, continuity, RCD test, continuity test, phase rotation test, polarity detection and self-inspection. 【Safety】BT-38A voltage tester has a low battery voltage indicator and a voltage indicator over the measured range, saving energy and safe to use. Meets safety requirements for double insulation, CAT III 690V, CAT IV 600V and CE 【Easy to Use】Backlit digital LCD display for easy reading. Non-contact auto-range voltage tester portable to use. 【Measuring Range】BTMETER BT-38A voltage tester can measure 12-690V AC/DC voltage, accuracy (23±5C): (3%+3) or 5V, range/resolution: 7-690V/1V (auto-range) 【Application】This digit.