The Milwaukee Electrical Test Kit is a comprehensive solution for professional electricians, combining three essential tools: a Voltage Detector, GFCI Receptacle Tester, and Circuit Breaker Finder. The Voltage Detector features a wide 50-1000V AC detection range and carries the highest industry safety rating of CAT IV 1000V. A blinking red light and loud beeper clearly indicate voltage presence. It includes (2) AAA batteries and a 1-year warranty.The GFCI Receptacle Tester helps reduce electrical shock risk and easily checks outlet wiring conditions, including open ground, open neutral, open hot, reversed wiring, and correct wiring. It also verifies GFCI functionality with a clear visual indicator. Its over-molded grip ensures durability and comfort, and it's backed by a 2-year warranty.The Circuit Breaker Finder, ideal for identifying circuits in standard 120V residential and commercial panels, includes a Transmitter and Receiver with a CAT II 135V safety rating. It features integrated storage for easy transport and a built-in LED work light for better visibility in dark spaces.Together, this kit provides reliable, jobsite-ready tools with advanced safety and ergonomic design for fast, accurate electrical diagnostics.