Amba Products Controller ATW-CDT Countdown Timer - NA x 1.75 x 3 in. - White FinishThe ATW CDT Hardwired Countdown Timer works with any hardwired heated towel rack. Allows user to turn on their heated towel racks for a specific amount of hoursGreat for those who want to make sure their towels are dry while not leaving the unit on continuously: Simply push a button to have your heated towel rack on for 2 4 8 12 hours before automatically switching off.