Bosch Volt Detector Non-Contact Voltage Tester 24-1000V Auto Sens LED Light IP67

High sensitivity mode: 24V–1000V (50–60Hz). Standard mode: 90V–1000V (50–60Hz). Automatic self-test on each startup, including vibration function and LED check (approx. 1 second), ensuring safety, with continuous background checks every 5 seconds.

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