Milwaukee Voltage Detector is an essential tool designed for residential, commercial, and industrial use. It a high safety rating of CAT IV 1000V, ensuring reliable performance in demanding environments. This detector operates within a wide voltage range of 50 to 1000 volts AC, making it versatile for various electrical applications. A green light clearly indicates battery power, while a blinking red light signals the presence of voltage, providing clear and immediate feedback. For added convenience, it includes a pocket clip for easy storage and portability. The package comes complete with the voltage detector, two AAA batteries, and test and safety instructions to get you started right away. Model Number: 2200-20