This timer is designed for use with Whirlpool washer controls, model 3952379C 3952379. It is an electric power source, and is built-in or integrated during installation. The timer is beige in color, and is a great addition to your washer and dryer parts. With this timer, you can easily adjust the washing time for your clothes. It is a must-have accessory for anyone who wants to get the most out of their washer. The Whirlpool brand ensures high quality and durability, so you can be sure that this timer will last for years to come.