✔HIGHLY EFFECTIVE - Those pesky woodpeckers invasive & destructive. They will peck at the wood siding on your home, buildings, apple orchard trees. The Flashers will spin their holographic metallic with the wind. This flashing will automatically scare woodpeckers away. ✔MADE OF RUST PROOF METAL - Hand crafted by Animal Control Specialists, each flasher is built to be durable in rainy, dry, cold, hot, snowy weather. ✔HUMANE - Rest easy knowing woodpeckers will not be harmed by the Flasher. ✔EASY TO USE - You can attach the Flashers to trees, garages, decks, any place that you have an abundance of annoying woodpecker or other bird species. We provide you the Flashers, screws & washers to get the job done. ✔MADE IN THE USA - Animal Control Products is located in Wisconsin, wildlife central. Each product is handcrafted & developed by animal scientists and are proven to be effective. Easily attach this device to a tree, shed etc. We provide you with everything you need (Flashers, wire arms, screws, washers and step by step instructions) You find the best spots to hang them which are where the birds are frequenting.