Find the right breaker fast. This Professional Circuit Finder is an intelligent circuit breaker locator and socket tester designed for 90–120 V electrical systems at 50–60 Hz. With adjustable sensitivity and diagnostic capability, it removes guesswork, speeds up troubleshooting, and improves safety for electricians, maintenance teams, and DIYers. Key benefits Locates breakers quickly and accurately so you spend less time guessing and more time fixing. Adjustable sensitivity lets you finetune detection to avoid false positives in crowded panels or multiwire installations. Combined socket tester and diagnostic tool: test outlets and identify the corresponding breaker with the same instrument. Professionalgrade functionality that reduces trips to the breaker box and lowers the risk of accidental live work. What it does (functionality) Intelligent circuit breaker locator: identifies which breaker controls a specific outlet or circuit. Socket tester diagnostics: checks outlet wiring conditions and helps detect common faults at the receptacle. Sensitivity adjustable: adapt detection strength to suit different panel configurations, interference levels, and wiring layouts for reliable results. Key attributes Compatibility: built for standard 90–120 V systems operating at 50–60 Hz; suitable for most residential and light commercial electrical networks within that range. Performance: designed to provide fast, repeatable identification of breakers and clear diagnostic feedback at the outlet. Operation: professional diagnostic and locating functions are combined in a single tool for convenience and efficiency. Portability: intended for field and onsite use to make circuit mapping and troubleshooting faster. Use cases Home electrical repairs: quickly find the correct breaker before replacing an outlet, installing a fixture, or performing maintenance—reduces time spent switching breakers at random. Renovation and remodeling: map circuits during renovations to verify which outlets and lights are tied to which breakers before cutting into walls or adding circuits. Facility maintenance: building technicians can speed up routine checks, isolate problem circuits, and document panel layouts without needing multiple devices. How this tool solves problems Eliminates guesswork and repeated trips to the breaker panel by pinpointing the correct breaker from the outlet. Reduces downtime and improves job efficiency for contractors and maintenance personnel. Helps prevent unsafe working conditions by confirming circuit identification before you work. Why choose this model Professional capabilities in a dedicated circuit finder and socket tester that supports 90–120 V, 50–60 Hz systems. Adjustable sensitivity and builtin diagnostic functions make it more versatile and reliable in realworld environments where interference and complex wiring can interfere with basic locators. Simple workflow Use the socket tester function at the outlet to confirm wiring condition. Engage the locator and adjust sensitivity as needed. Identify the matching breaker using the intelligent detection function and complete your work with confidence. Specifications (from product title) Voltage: 90–120 V Frequency: 50–60 Hz Features: professional circuit breaker finder, sensitivity adjustable, socket tester, diagnostic tool, intelligent circuit breaker locator Who this is for Electricians, electrical contractors, maintenance staff, facility managers, and informed homeowners who need a faster, safer way to identify and diagnose circuits on 90–120 V, 50–60 Hz systems. Included capabilities summarized Fast breaker location, outlet diagnostics, adjustable sensitivity, and professionalgrade performance for standard 90–120 V / 50–60 Hz installations.