Thermostatically controlled and tested to below 20 degrees to keep water ice-free all winter long, durable plastic design will not crack during cold conditions, the gentle slope with strategically-placed seam makes it easy for birds to perch to drink. Attaches to deck rail with extra tilt bracket that makes cleaning easy. Made in the USA with Ex-tilt Deck Mount. This item is brand new, unopened and sealed in its original factory box. No Warranty unless otherwise stated in description. You can return your purchase for up to 30 days as long as the item has not been opened or used. Ships Free anywhere in the US contiguous 48 states, no shipping to Alaska or Hawaii.