he Milwaukee 2200-40 Voltage Pen (Model 4932352561) is a professional-grade, cordless voltage detector designed for safe and reliable electrical testing. Here's a detailed overview based on the specifications, features, and applications: Features: Detects AC voltage from 50V to 1000V Highest safety rating: CAT IV 1000V Slim tip design for easy testing in outlets and tight spaces Green LED indicates power on Audible beeper and blinking red light alert when voltage is detected Simple on/off button operation Pocket clip for convenient carrying Powered by 2 AAA batteries (included) Applications: Quick, non-contact voltage detection in residential, commercial, and industrial electrical systems Suitable for electricians, maintenance professionals, and inspectors Testing live wires, outlets, switches, and fixtures before electrical work Includes: 1 × Milwaukee 2200-40 Voltage Pen 2 × AAA batteries for immediate use