The Commercial Electric MS8904 AC Voltage Detector with Screwdriver is a reliable tool for detecting AC electrical currents up to 1000 volts. This handheld detector provides both sound and light instructions, as well as audible and light alerts for added safety. With its non-contact design, this voltage detector is perfect for commercial and industrial use, ensuring the safety of electrical workers and detecting potential hazards in a variety of electrical systems. Made in China, this model is a valuable addition to any toolbox for professionals and DIY enthusiasts alike.