Gazeled F24 Battery Operated Fan, Camping Fan Battery Powered, Super Long Lasting, Portable D-Cell Battery Powered Desk Fan with Timer, 3 Speeds, Quiet, 180° Rotation, for Office,Bedroom,Outdoor, 5''

Battery Operated Fan for Camping: This 5 inch battery fan works with 4 D-cell batteries (not included), which is ideal for camping, travel, power outages and emergency needs. There are 3 settings and the fan can last for 214 hours with low speed, 46 hours with medium speed, and 12 hours with high speed!
Quiet Desk Fan with Timer: This small but powerful desk fan is very quiet owing to our newly designed motor which lowers the noise to 50dB. It's perfect for sleeping and working when you need a silent environment. This portable fan has a unique timer feature which can be set to 1, 3 or 5 hours. No need to wake up to turn off this quiet fan.
Rotation and Portability: The 180° rotation design lets you take the fresh air directly to your face and get cool instantly. With the comvenient handle, it is easy to carry around. Great for travel, camping and other outdoor activities use.
Battery Powered USB Fan: Except powered by D batteries, this fan can be a USB desk fan. It comes with a USB cable that can be used when connected to a power bank, car charger, computer, or a 5V wall USB charger. Note: it is also compatible with carbon D battery, alkaline D battery or rechargeable NiMH battery.
Note: The fans current requirements are 80mA for first gear, 280mA for second gear, and 1000mA for third gear. To operate the fan at maximum speed (third gear), a current of 1000mA must be supplied.