The Vevor electric sauna heater is designed for sauna rooms from 105 to 210 cu. ft. and delivers fast, even heating with a 4.5 kW 220-240V system. It features built-in knob controls for simple temperature and timer adjustment, with a maximum temperature of 230°F and up to 3 hours of timing control. Its wall-mount design helps save floor space while supporting safe installation. Built with an aluminized zinc shell and 304 stainless steel heating element, it is made for durability in humid sauna environments. Please note that sauna stones are required but not included.