TK-RE02 Features: -Temperature remote controller.-Override factory settings to set-up the desired water temperature.-Temperatures available with the controller: 95, 100, 102, 104, 106, 108, 110, 111, 113, 115, 117, 122, 131, 140, 158, 167F. Specifications: -Hooks up to the unit with 18 gauge wire (not included). Dimensions: -Overall dimensions: 10" H x 10" W x 5" D.