F2C Automatic Climb Wall Swimming Pool Vacuum Cleaner Set Cleaning Equipment In Ground Above Ground Hover Suction W/33FT Hose (#2) High efficiency and energy saving seal speed. Touch-panel, hand comfort, easy to set up, beautiful and practical Micro-computer control mode, the electronic memory function, adjustable power Sealing for PET bottles, PP bottles, PVC bottles, PE bottles, HDPE bottles, plastic bottles, glass bottles, etc Working Environment.The highest working environment temperature of the machine is 45C,the highest Relative Humidity is 80%.