Signal intensity indicationway：Sound from slow to fast; Backlight from green to red. Signal intensity display：LCD display. SOUND AND LIGHT DUAL ALARM：When the probe touches the live wire, the display screen shows'HI' in bright red backlight, and the buzzer emitsquick beepin.
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2026 New Professional Voltage Tester Pen Circuit Tester Electrical Screwdriver Voltmeter Power Detector Pen For Test Electricity
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Signal intensity indicationway：Sound from slow to fast; Backlight from green to red. Signal intensity display：LCD display. SOUND AND LIGHT DUAL ALARM：When the probe touches the live wire, the display screen shows'HI' in bright red backlight, and the buzzer emitsquick beepin.
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LCD shows power (Red) and ground (Green). Digital display for accurate readings. Piercing probe w/ banana socket. Kit includes. Convenient Usage. Intuitive Display.
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Aliexpress UK