The BOSCH GVD 1000-17 Professional Non-contact Voltage Tester is a high-quality electrical device ideal for DIY enthusiasts and professionals alike. With its IP67 rating for protection against water and dust, this voltage tester ensures reliable performance in various industrial and commercial settings. The self-test feature adds an extra layer of safety and accuracy to the testing process, making it a valuable tool for measuring voltage without coming into contact with the source. Made in China by the trusted brand BOSCH, this unit is a must-have for those needing a dependable voltage detector in their toolkit.