150 Watt Bird Bath Heater De-icer. FIIC50 Welcome birds into your yard all winter long with the premium bird bath de-ices. This unit was the first state of the art electric bird bath de-ices and ably warms water enough to prevent icing over. The de-ices lies on the bird bath's bottom for heat efficiency. Features: -150 watt bird bath heater de-ices. -Material: poly. -Bathing, frolicking birds provide relaxing entertainment. -Three year warranty. -Made in the U.S.A..