The Extech DV690 is a tough and dependable voltage detector that can detect up to 69 kV in high-voltage (HV) electrical systems. This non-contact, industrial-grade tool adds an extra degree of safety for anyone who works with high-voltage electrical systems, including electric power utility, storm restoration, telecommunications, and public safety personnel. Alarms, both audible and visual, alert users to the presence of unsafe voltage, allowing them to keep a safe distance in hazardous areas. Furthermore, five versatile mounting choices make it simple to use the gadget to get the work done quickly.