When you have a small in running on 110V AC, you need a way to keep the firing under precise control. With the Select Fire EXP, you can get the precision you need from this computer controller. To use it, just plug in the controller and then plug your kiln into it. You will have a wealth of controls at your fingertips, including an auto temperature control. You will have program monitoring and can use many different functions that have never before been available for small kilns. When making jewelry, ceramics, or glass, there are pre-set programs that make controlling these projects simple. Use the user-friendly instructions as well as the included Type K Thermocouple to keep your kiln under your control. You can even delay the start of firing by up to 100 hours. You can skip the current step running on your kiln, create a hold time with no limits and change your temperature easily with this controller.