TThe Charleston 4-person indoor traditional sauna allows you to bring friends and family together to relax and enjoy an intense sauna experience in your home. The Charleston includes a 6.0 kW Harvia electric heater. Harvia heaters are world-renowned for providing high-quality electric sauna heaters that produce temperatures up to 170 degrees. The 2-tiered double bench seating allows 4 people to sit comfortably or 2 to lie in the sauna. A water cask and spoon are included to add water to the heater stones to provide humidity and steam for more intense heat. Standard features include a thermo-hygrometer for displaying the humidity level, interior dome lighting, a ventilation system, and a cabin constructed of natural Canadian Hemlock wood for durable yet naturally appealing decor.Dimensions: 71"W x 63"D x 80"HCanadian Hemlock Construction6.0 kW Harvia Heater2 Tiered Bench SeatingErgonomic BackrestVentilation SystemCask and Spoon Hygrometer/Sand TimerUpgraded Door Handle7 Year Warranty