Bosch Voltage Tester Detector GVD 1000-17 Non-Contact Audio Indication 1000V AC

Durable voltage tester for enhanced safety and efficiency while working with electricity. Offers dual voltage detection range from 24 to 1000 V AC and with high sensitivity for the 24 V range. Provides versatility across various applications. Includes automatic self-test conducted at startup and every 5 seconds to confirm functionality during use.