4-6 Person capacity & 130 bubbles: This spa has a large capacity of 185.4cm, 130 surrounding powerful air bubbles are equipped in this bathtub, which can make the tense and tired body get excellent relaxation, and also has a very good effect on friends who want to relieve the pain. Easy installation and control: The water temperature of the inflatable hot tub can be heated up to 40°C, with a rapid heating system and the easy-to-use digital control panel. You get a pair of filter cartridges with covers thrown in to help you keep your water pristine and debris-free. Durable beam construction: Durable laminated PVC material portable tub with vertical 'I-beam' construction which makes the walls rigid and makes them resistant to scrapes and punctures, ensuring your hot spa never loses its shape and stability. All RELXTIME air jet spa is CE/GS/ETL/EMC/UKCA/REACH listed. Freeze protection function: Freeze protection automatic heating function prevents inner components from freezing during colder temperatures, you can use your inflatable pool in colder temperatures during the fall or winter seasons! A cover with secure locking buckles keeps the water warm and prevents dust and debris from collecting on the water, with lift handles, the spa can be moved around with ease (when empty). Multiple compatible accessories: 1 pool cover, 2 filter cartridges & 2 covers, 1 inflation hose, 1 power cable, 1 storage bag, 1 instruction manual. Please refer to the description for accessories. Note: For faster heating or better heat retention, you can choose the RELXTIME CEC kit (1 thermal cover, 1 inflatable cover, 1 hot tub mat) to reduce energy consumption while enjoying your bath.