K&H Pet Products Snuggle Up Bird Warmer Small / Medium Gray 5" x 3" x 0.5"

This low voltage heater mounts right to the side of the cage, allowing your bird to "Snuggle Up" to it to get nice and warm.Features: Protect exotic birds from the harmful effects of air conditioning and cold drafts. Thermostatically controlled to an optimum body temperature. Uses harmless, 12-volt, low voltage electricity to heat the perch. Safe, consistent source of warmth, stabilizes the bird's environment. Reduces avian stress.