Many electronic devices and appliances around the home continue to use electricity, even when turned off. The stanley timer ax countdown automatically shuts off power- including standby power- to your electronics and appliances after the countdown time interval you select. The timer ax countdown can be used with curling irons, clothes irons, slow cookers, toaster ovens, coffeemakers, small space heaters, fans, tools, chargers, lights and more! 6 automatic preset settings: 15 min, 30 min, 1 hour, 2 hour, 4 hour, 6 hour. Timer ax countdown will power on instantly and countdown the selected time interval. When the selected interval expires, both power and standby power to the device will turn off. Repeat: the selected countdown interval will repeat every day, exactly the same time it was set.