SAVE15
Always on Sale have two of these for $20 + $9.95 postage + service fee.
Use SAVE15 and it drops down to $15.17 for TWO.
Not sure if you can use SAVE15 again if you've used it in the past.
Suggest you jump in fast before they ramp up the shipping like they did on their last deal.
Just to be clear: these are 'countdown' style timers - not master/slave devices as mentioned below in the comments :)
The Belkin Conserve Socket Power Timer shuts off power automatically at a selected time interval . This helps save energy and makes a home safer by timing the power to devices such as heaters, washing machines and clothes dryers etc.
The Belkin Conserve Socket Power Timer Features:
Easy to set: Choose 30 minutes, 3 hours, or 6 hours with a simple switch
Simplicity: Unlike existing timer solutions, Conserve Socket only requires you to plug it in, select the time and press the button!
Safer home: Automatically shuts off heaters, washing machines, etc
Saves energy: Completely cuts power after timer expires
No Standby: Draws zero power when not in use
Multiple uses: Can be used with appliances and devices throughout the house
Save energy and money with The Belkin Conserve Socket Power Timer energy saving outlet. A device left plugged in but not in use can still draw power and affect your home’s overall energy usage, the Conserve Socket lets you decide when to turn off power to your devices. It automatically shuts off power after the time interval you select, helping you to use energy more wisely. Three timer settings for easy, customisable operation.
The Belkin Conserve Socket Power Timer has a timer selection switch with three timer settings; 30 minutes, three hours, or six hours, as well as an automatic shut-off to reduce wasted power. It starts with a simple push button and a green low-power LED illuminates.
These are free from the government.