🌊HOT TUB WITH BUBBLE MASSAGE: The RELXTIME inflatable hot tub is made for up to 4-6 people and heats up to a soothing 104 °F (40 °C) with 130 surrounding powerful air bubbles, built-in integrated water filtration system to keep the water clean. Durable laminated PVC inflated walls for durability and comfort 🌊ENERGY SAVING SPA COVER: Spa cover with Insulation aluminum layer can successfully minimise the time and frequency taken to reheat outdoor hot tubs. Also, the protective sleeve prevents items from entering the water, and also reduces the number of filters used 🌊ENJOY YOUR PORTABLE SPA YEAR-ROUND: Freeze protection automatic heating function prevents inner components from freezing, you can use your inflatable spa in colder temperatures (above 39.2℉) during the fall or winter seasons to ensure long-lasting use. Do not install or leave the spa outside at a temperature lower than 39.2°F (4°C) and higher than 104℉ (40℃). 🌊TOUCHSCREEN CONTROL PANEL: Using a touch digital control panel, easy to inflate & deflate within minutes to click the "Bubble" button, can also adjust the heating system and circulation automatically. Relieve fatigue at the press of a button while the constant water temperature delivers soothing heat to the entire body 🌊FULL SET OF ACCESSORIES: 2 filter cartridges & 2 covers, 20 strips water testing, 2 PVC patches, 1 spanner, 1 inflation hose, 1 air valve cap, 1 barometer, 1x way valve, 1 drainage adapter, 2 child safety key, 1 power cable, 1 storage bag, 1 instruction manual.