Retractable Design: Features a retractable mechanism that enhances safety and convenience, making it easier to manage and store. Advanced Testing Capabilities: This 10kV high-voltage tester pen offers reliable sound and light indicators for efficient electrical testing. Ideal for professionals dealing with high-voltage electrical appliances. Versatile Use: Perfect for testing a wide range of high-voltage lines, ensuring maximum safety and functionality in various electrical environments., Manufacturer: Vjsujehgy