【ENJOY THE ULTIMATE SPA】130 bubbling Jacuzzi after a long, hard day while jets project bubbles to massage your back, neck, and shoulders. Relax at the touch of a button with the 73X73X25 massage, 130 surrounding air jets, automatic preheating and integrated water filtration. 2 filters work at the same time to keep the powerful water circulation and clean function.【EASILY OPERATED DIGITAL PANEL】The digital control panel lets you change the water temperature (up to 104 degrees Fahrenheit) and flow of the jets without stepping out of the tub. A power saving timer can even automate the temperature of the spa up to 24 hours in advance; Disclaimer: This spa cannot be used in temperatures less than 32 degrees Fahrenheit.【IDEAL FOR 4-5 PERSON】Water capacity：910L/240Gal. Largest Bear:210KG/462LB. Dimension: 73X73X25 massage with 130 surrounding air jets. The puncture-resistant tri-tech material and I-beam construction ensures your hot tub never loses its shape and stability even when people sit on the side walls. WATER MUST BE LOCATED BETWEEN MAX AND MIN WATERLINES. IF LOWER THAN THE MIN LINE, THEN IT CAN'T HEAT.【QUICK INFLATION AND RAPID HEATING】The portable hot tub has a built-in air pump that makes it easy to inflate & deflate within minutes to click the "Bubble" button. The digital panel can also adjust the filtration and heating system not only heats the water quickly up to 104 degrees but keeps the water temp and circulation automatically. The Heater's, Power: 1800w Power Cord: 5.2m (204 inches), Water temperature range: 68℉–104℉/20℃-40℃.【ATTENTION】Do not drag it when unpacking and packing to prevent the surface from being punctured and damaged by sharp objects. Come with the ground and put it on a flat place which won't hurt your spa. Please replace the filter in time after 168H use. When the filter loses its filtering function, the control panel will automatically alarm and display FC.【TIPS】Efficient Heating: During winters, heating takes longer due to low temperatures. If you're looking for a way to heat your hot tub faster, replace the original water injection with hot water and maintain the temperature using the heating function of your hot tub. Enjoy a warm spa in no time!