The GREE Potable Air Cooler Hot & Cool KSWK-04S66RDG is a versatile and energy-efficient air cooler that can be used to cool or heat a room. It has a water tank capacity of 5 liters, which allows it to run for up to 8 hours on a single fill. The cooler has 3 speeds for cooling and 2 speeds for heating, as well as an oscillation function that can cool or heat a room evenly. It also has a remote control for easy operation.

Here are some of the key features of the GREE Potable Air Cooler Hot & Cool KSWK-04S66RDG:

• Portable and lightweight design, making it easy to move from room to room
• Energy-efficient operation, using less electricity than a traditional air conditioner
• 3 speeds for cooling and 2 speeds for heating, to suit your needs
• Oscillation function for even cooling or heating
• Remote control for easy operation
• Long-lasting water tank capacity of 5 liters
• Tilt-over auto power-off protection for safety

The GREE Potable Air Cooler Hot & Cool KSWK-04S66RDG is a great option for people who are looking for a cool and comfortable way to stay cool in the summer, or a warm and cozy way to stay warm in the winter. It is also a good choice for people who are looking for an energy-efficient air cooler.