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. 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.