The Andrakk Rechargeable Fan has 18-Inch blades that deliver refreshing air to your homes or offices. Additionally, you can adjust the speed to your preference. It has 4pcs LED night light that serve as a source of illumination when there is power outage. With this rechargeable fan, you are assured of a cool refreshing air during those very hot days. It is made from sturdy and durable materials which guarantee it will serve you well for a long period of time. The Andrakk 16" Rechargeable Fan will conveniently give you cool air for between 5-9 hours when fully charged. It has overcharge and discharge protection which means even if you don’t use for a period of time, the battery energy will still remain intact. The fan has a replaceable batteries and a standard 3 pin plugs for convenience. Having a fan that has a rechargeable battery will come in handy in situations when you are taking a nap and the power goes out. You will continue to enjoy your sleep in a pleasant way since it switches automatically