Portable Food Fans for Tables: This is a portable, battery powered table fan. Put 2 AA batteries on the bottom of the fan(batteries are not included).It travels easily for any indoor or outdoor event. Soft Food Fan Blades : These soft -touch blades are flexible to stop if something touches them. Enjoy peace of mind without worrying about little hands getting hurt. Tabletop food Fan: Food fan runs powered with battery ,a constant blade speed not enough to blow over the food ,order more fans if larger square footage. How Does It Work: It has holographmatic dots on the blades.The dots refract/bend sunshine.The bending colored sunshine are not normal in naturethey will always choose to go somewhere else Enjoy Your Life : Camping, BBQ, sunbath,family dinner and party.There will no other things landing on you or hovering over your food. You can finally enjoy a conversation over an outdoor meal all the time.