DewStop FS-875-A1 Adjustable Multi Timer Bath Fan Timer Control with Light Control, Almond Multi timer fan control includes adjustable countdown timer and adjustable minutes per hour timer Countdown timer allows you to choose how long fan will run Minutes per hour timer allows you to turn the fan on every hour Includes manual bath fan control for immediate ventilation and manual light control to operate bathroom Lighting Blue LED indicator light activates to let you know fan is turned on Operating frequency : 60Hz