Garden Luxury-Series Outdoor DIY Sauna Kit, Thermo-Spruce, up to 4 Persons The Model GL4 modular outdoor home sauna kit from SaunaLife is a professional-quality, authentic Scandinavian sauna with impeccable attention to detail that you can create in your own backyard. This product requires other components to function and be installed successfully. Premium 1.57" thick Nordic Thermo-Spruce walls Modern architectural design with horizontal eaves and integrated porch Black exterior trim that complements and accentuates the modern design Full-width LED exterior light strip integrated in eaves LED interior light system controlled by Wi-Fi app or hand-held remote Engineered for pro-quality DIY sauna install (2-persons, 2-days) Interlocking-beam construction allows natural expansion and contraction of panels Extra-thick, silky-smooth ergonomically designed 2-tier seating for superior durability and comfort Full bronze tempered-glass front (5/16" thick) and reversable door with full-height door pull Model GL4 Outdoor Home Sauna Kit Thermo-spruce wall boards (thickness 1.57") Tempered bronze glass door with long black painted handle Tempered bronze glass windows with black painted frames 2-tiered thermo-hardwood benches and backrests Extra thick thermo-spruce roof (thickness 1.57") Thermo-spruce porch boards (thickness 1.1") Thermo-spruce floor boards (thickness 1.1") White LED Light System with Wi-Fi App