Operation: Once activated, the blades generate wind that hunts approached insects. Mosquitoes, wasps, flies and other drones will also be disturbed by reflecting light that the rotary wings provide. Ideal for meals: When we eat at the table in the summer indoors or more outdoors this attracts insects. With this product, you can enjoy your meal without these inconveniences. The product: You receive 2 anti-insect fans. They can be powered by the 2 USB cables supplied or operate with AA 1.5 V batteries. The batteries are not included in the delivery. safe: This repellent is safe for insects since they are driven by wind and light but also safe for users since the blades are soft plastic. to hang: You can place the flying insect fans on a table or hang them on the ceiling. Eat without nuisance By activating the blades, you will escape the flying insects. You can then enjoy your barbecue or aperitif in summer without being disturbed. No pain The propellers are made of flexible plastic, so there is no danger to you . Insects also will not suffer, they will simply be hunted. You can adapt to the situation, if necessary you can hang the anti-insect fan at height or Simply lay it on a table.