Panasonic FV-WCD01-A WhisperControl Countdown Delay Timer, Almond Ideal for Panasonic's Quiet Fans To Ensure You Don't Forget To Shut Them Off Timer Switch Has Four Preset Button Options, 10-20-30 or 60 Minutes LED Light Indicates Countdown Time Elapsed and Last LED Flashes Two Minutes Until Off Warning Simple Press-and-Hold Override Timer Function, Allows You To Hold Down The Button Until LED Light Indicates It Is On Multi-Switch Combination Devices Save Space and Add Convenience