🌹The air curtain is an electrical device that works to create an air barrier whose direction, speed, and quantity are controlled to protect doors and entrances, lengthwise and widthwise, from the exchange of heat and small particles between an open area and a closed area..... _Multi-purpose air curtain (For warehouses _ restaurants _ shops _ hospitals _ malls _ barber shops _ conference halls _ offices ... etc.) _Its features: _Prevents the entry of dust, dirt, and insects.. _Remote control unit (remote control) _Automatic door opening sensor (sensor) _Prevents unpleasant odors, smoke, and external exhaust fumes _Prevents air leakage from inside to outside and vice versa _Maintains internal temperature (hot/cold) at the same rates _Extends the lifespan of cooling devices. _Environmentally friendly and public health friendly _High speed and more airflow _Low noise _Elegant design _Filter _Electricity: 220-240 volts _Power: 150 watts _Color: White _Two-year warranty