Made of hypollergenic FSC Certified Canadian Hemlock Wood (Additional Cost to Upgrade to FSC Certified Canadian Red Cedar) Power Source: 110v/20 amp Seats 2 Adult 5 (including one floor heater) Certified Carbon Heating Elements 3 Certified Ceramic Heating Elements Full Length Door with Certified Tempered Glass Audio Entertainment Center CD/FM Stereo MP3 Bluetooth Digital Control Panel/Reservation Mode Recessed Interior Light Ceiling Vent Deluxe Interior Chromotherapy Lighting Oxygen Ionizer (Electronic Air Cleaner) Exterior Lighting