K&H Manufacturing K&H Pet Products Thermo-Perch Heated Bird Perch (Sanded or Regular Finish) Heated using harmless 12V electrical current Counters the effects of cold drafts &amp; air conditioning that can harm exotic birds Constructed tough plastic which is non-toxic &amp; bite/scratch resistant Unique shape reduces pressure sores and foot cramping Thermostatically controlled and the temperature of the perch varies from end to end to allow your bird to choose the perfect temperature for them One year limited warranty Size - 0.625" to 1.25" diameter x 13" long Use for Medium birds: Amazons, African Greys, Pionus Parrot Protect exotic birds from the harmful effects of air conditioning and cold drafts Made of sturdy scratch and bite resistant non-toxic plastic Attaches easily to wire cages