With a retractable cord that lowers feeder for filling, this 4-port wild bird feeder is innovative and easy to fill and clean. The garden song height-adjust feeder with retractable cord features 4 feeding ports, a 1.13kg. seed capacity, an easy-fill wide mouth top and an integrated retractable cord feature to lower bird feeder for filling. For filling or feeding, squeeze buttons to raise and lower bird feeder to desired height. The bird feeder easily adjusts to serve mixed or nyjer thistle seed. These innovations make this wild bird feeder one of the most economical and convenient bird feeders on the market. This garden song feeder has a clear, shatter-proof acrylic reservoir that makes it easy to monitor seed levels. The reservoir unscrews easily from the feeder base for quick cleaning and filling. Remember to clean your wild bird feeder at least twice a week, more often in very warm climates or seasons.