
Electric Voltage Test Pen AC Non-Contact LCD Tester 12-1000V
$3.50
🔍 Electric Voltage Test Pen – AC Non-Contact Tester (12–1000V, LCD Display)
This Non-Contact AC Voltage Tester Pen is a safe, fast, and easy tool for detecting live AC voltage in wires, outlets, switches, circuit breakers, and appliances. With a wide detection range of 12V to 1000V AC, an LCD digital display, and dual-alarm indicators, it’s an essential tool for electricians, DIY users, and home safety checks.
🌟 Key Features
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Non-contact voltage detection (NCV)
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Wide detection range: 12–1000V AC
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LCD digital display shows signal strength
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Dual alarm: sound + flashing LED
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Sensitivity adjustable (high / low mode)
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Auto power-off to save battery
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Built-in flashlight for dark environments
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Safe CAT II / CAT III rating (model-dependent)
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Pocket-size design — lightweight and easy to use
⚡ How It Works
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Simply bring the tester close to a wire or outlet:
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Live voltage detected → LCD lights + buzzer + red LED
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No voltage → no alarm
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Adjust sensitivity to detect weak or strong voltage sources.
🔧 Common Uses
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Checking live wires
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Testing outlets and power sockets
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Detecting voltage in switches and breakers
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Household appliance troubleshooting
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Car wiring (AC parts only)
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Electrical installation safety