Bird Health: Heated Bird Perch Counters The Effects Of Cold Drafts & Air Conditioning That Can Harm Exotic Birds Good For Feet: Unique Shape Reduces Pressure Sores And Foot Cramping; Constructed Tough Plastic Which Is Non-Toxic & Bite/Scratch Resistant Perfect Temperature: Thermostatically Controlled With Varying Temperatures From End To End To Allow Your Bird To Choose The Perfect Temperature For Them Safe: Heated Bird Perch Uses Harmless 12V Electrical Current, But Always Be Sure To Keep The Cord Away From Birdã¢ÂS Reach Sizing: Small Is 1àIn Diameter And 10.5àLong, Medium 1.25ÃÂIn Diameter And 13àLong, And Large Is 2àDiameter And 14.5àNote: Perch Diameter Varies Along The Perch For Bird Comfort The Thermo-Perch Helps Protect Your Exotic Birds From The Harmful Effects Of Air Conditioning And Cold Drafts. Cold Is A Major Contributor To Health Problems For Exotic Birds, And Providing Warmth Is The First Step Of Avian Experts And Veterinarians. Thermostatically Controlled, Thermo-Perch Provides A Safe, Consistent Source Of Warmth, Stabilizing The Birdã¢ÂS Environment. Made Of Sturdy Scratch And Bite-Resistant Plastic, It Attaches Easily To Wire Cages. Its Irregular Shape Reduces Foot Cramps And Pressure Sores, Providing Orthopedic Benefits. Always Make Sure Your Bird Has Access To Alternate Perches In Their Cage. Thermo-Perch Should Not Regularly Be The Highest Perch In The Cage. Designed By K&H With Over 20 Years Of Experience In Creating Safe, Innovative, Quality Products For Pets. One Year Limited Warranty