Air cooler model: YS-071) Cooling, humidifying, purifying2) Water, ice or ice-crystal cooling, no fluorine pollution3) Water-sprayed humidifying, collect dust and undesirable odor4) Cross flow wind way, large air delivery5) 1 hour cumulate timer6) 90-degree automatic winding7) Mechanical style8) 60W9) Three position windingAir cooler model: YS-081) Cooling, humidifying, purifying2) Remote control function3) Water, ice or ice-crystal cooling, no fluorine pollution4) Water-sprayed humidifying, collect dust and undesirable odor5) Cross flow wind way, large air delivery6) 7.5 hours cumulate timer7) 90-degree automatic winding8) 60W9) Three position windingAir cooler and warmer model: LR-071) Cooling, humidifying, freshening, heating2) Heat by PTC3) Water, ice or ice-crystal cooling, no fluorine pollution4) Water-sprayed humidifying, collect dust and undesirable odor5) Cross flow wind way, large air delivery6) 1 hour cumulate timer7) Mechanical style8) 90-degree automatic winding9) 60W for cooling, 1000W/2000W for heating10) Three position winding11) Mechanical styleAir cooler and warmer model: LR-081) Cooling, humidifying, freshening, heating2) Remote control function3) Heat by PTC4) Water, ice or ice-crystal cooling, no fluorine pollution5) Water-sprayed humidifying, collect dust and undesirable odor6) Cross flow wind way, large air delivery7) 7.5 hours cumulate timer8) Mechanical style9) 90-degree automatic winding10) 60W for cooling, 1000W/2000W for heating11) Three position winding