1、【No Installations Required】: Our bird seed feeder is equipped with a hook. No assembly is required. You can hang it anywhere you wanted, like a hook, branch, and bird feeding pole. By hanging this mixed seed bird feeder outdoor to attract a large amount of various wild birds to your garden, patio, and backyard. It’s a great gift idea for nature lovers. 2、【Weatherproof and Durable】: This bird window feeder is a waterproof design and the tube is made up of Premium Hard Plastic, which makes it resistant to extreme weather conditions such as brutal heat, thunderstorms, snow or rain, and more durable. 3、【4 Ports】: This bird feeder station contains 4 ports through which multiple birds can feed at the same time. Plus the base tray holds seeds for more birds on the bottom ring to eat! 4、【Easy to Refill】: Just open the top cover by twisting it anti-clockwise, then put the seeds into the tube, and finally close the top cover by twisting it clockwise. The transparent tube makes it easier for you to see when you need to replenish the seeds. 5、【Wide Applications】: This hanging bird feeder is suitable for feeding most types of seed and seed mixes, blends, sunflower seeds to attract birds including great spotted woodpeckers, the Siskins, Dunnock, House Sparrows, Goldfinch, Bullfinch, Blue Tit and Greenfinches, tits, sparrows, and nuthatches.