"The design of the HUUM DROP sauna heater is inspired by the purest element in nature "“ a drop of water. Its rounded design softens and compliments the angular interior of a classic sauna, giving it a touch of elegance. But DROP isn"™t only about the looks. This compact wall-mounted heater has a large 122-pound rock capacity, more than most wood-burning stoves for a more intense steam sauna. Winner of the prestigious Red Dot Award in Europe for design, the HUUM DROP combines sculptural beauty with engineering excellence. It''s exceptionally large rock capacity allows the sauna bather to ladle more water onto the stones for a more intense bathing experience while creating a more consistent, soft high heat. Control required to operate. For bathers who want the absolute best sauna heater.The 4.5kW wall-mounted electric sauna heater is engineered for sauna rooms up to 247 cubic feet.Includes: Wall-mount bracket, Installation and operation manual, Sauna Stones, UKU Local ControlFeatures240V/1PH operationMore exposed stones create a longer and milder heat.Stainless steel constructionStainless steel, industrial quality heating elementsWall-mounted designDesigned, engineered, and made in Estonia.Dimensions: 15.4""W (390mm) x 13.2""D (335mm) x 23.3""H (590mm)UKU Sleek Black control display panelMultiple Color Options available (additional charges apply)Settable on/off, time, temperature, and delaySettable temperature range of 104-230FDelayed start up to 48hrs in advance"