Portable fly fansThis is a portable battery powered or USB charged fly fans for outdoor table. Batteries hole is on the bottom of the fly fan(batteries are not included). The mosquito fan is light-weight,odor-free.The bug fan could be taken easily for any indoor or outdoor event. With the bottom hook design, it is very convenient for u to hang the table fly fan up. Keeps Flies Away From Your dishYou could enjoy a wonderful conversation during outdoor meal without swatting flies from time to time. The fly fan for tables also could be as a wonderful gift for someone pestered by flies on their patio. No more waving away bugs while you eat So sleek, quiet and effective, a must have for summer How Does It WorkThe deterrent fan blades feature a reflective pattern that while in rotation, will refract or bend light, disorienting airborne insects. In their little minds, this disruption in light seems unnormal in the nature. The bug repellent fan appears dangerous to make them go away from your food & beverages, such as flying gnats, flies,bees and fruits fly. Gentle Soft-Stop fly Fan BladesThe fly repellent fan has soft-touch, high-quality fan blades, intentionally flexible and anything but flimsy. Designed to immediately stop when the fly fans for table contact an object. Enjoy peace of mind without worrying about little hands getting hurt. Enjoy Your Life Camping,BBQ,sunbath, family dinner and party and so on.There will no other things landing on you or hovering over your food. You can finally enjoy a nice conversation over an outdoor meal all the time. the deterrent Fan will work well sun as well as in the shadow of the sun.