Defiant Automatic 15-Amp Digital 24-Hour Slim Fit Indoor Plug-In Timer (2-Pack) for $8.99. Shipping is free on orders over $35. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for your reference. The Digital 24-Hour Slim Fit Timer automatically turns lamps, fans, holiday lights and other electrical devices on and off at programmed times. This works out to be just $4.50 each.