The Sears Craftsman Multi tester 82146 is a versatile digital AC voltage detector with a maximum cat II 600v rating. This tool is designed for electricians and DIY enthusiasts alike, providing accurate readings for a variety of electrical systems. With the Craftsman brand backing it, users can trust in the quality and durability of this reliable voltage detector. Perfect for troubleshooting and ensuring safety during electrical work, this tester is a must-have for any workshop or toolbox.