Specifications: 1) Voltage: 110V or 220V 2) Material: hemlock 3) Designed for 2 persons Benefits: 1) Detoxify and lose weight 2) Enjoy radiant and youthful skin 3) Find relief from pain 4) Healthy for your heart 5) Reduce unsightly cellulite 6) Wake up your immune system and combat the effects of daily stress 7) Enhance other treatment and exercise 8) Increases blood circulation 9) Ease joint pain and stiffness 10) Remove stress and fatigue Functions: 1) Low operating cost 2) Dome light with brightness adjustable 3) Floor and ceiling vent for air circulation 4) Tempered glass window(s) 5) High quality ceramic infrared heater 6) Digital temperature and time control inside and out 7) Bench seating Features: 1) Low operating cost, use the same amount of energy as your toaster 2) Beautiful and luxurious appearance, more exquisite craft 3) More luxurious and beautiful fitting 4) Comfortable backrest and bench seating 5) Portable, disassembles as easy as it assembles, assembly takes approx. 20 minutes without any tool