Measuring in at 17" x 17" x 6.5" the Studio Pro 17 STP is the largest 120V glass firing kiln in the industry and features surface mounted heating elements for maximum heat transfer, Superwool fiber lid for efficiency and increased firing speed potential, Dual Access Design for precision glass placement and equipped with the swing-view mounted Set-Pro digital temperature control, featuring easy 3-button programming. Store up to 4 custom firing schedules with up to 8 segments per program. Specifications - Max Temp: 1700 F / 926 C; Amps: 18/120V; Phase: 1; Watts: 2160; NEMA Receptacle: 5-20; Breaker Size: 20 Amp; Wire Size: 10; Length:17"; Width:17"; Depth: 6.5"; Volume: 1.1 Cubic Ft