Circuit breaker finder CBF01 is designed for professional electrical diagnostics, capable of accurately identifying signals in the 90–135V range. It features a high-definition color screen that provides clear signal status and real-time operating feedback. The device supports send/receive mode and includes both audible and visual alarms to enhance safety and detection accuracy. Built for reliability, it operates within a temperature range of 0°C–40°C and supports long-term storage from -20°C to +60°C. With a 3-minute auto shutdown function for power saving, the CBF01 is an ideal choice for electrical contractors, facility maintenance teams, and OEM/ODM partners seeking an efficient breaker tracing solution.