Body size: Approximately 12 * 7.5 * 7.5 cm 25W: Approximately 19°C [With Safety Protective Cover] The steel heat-insulating cover securely protects the light bulb, preventing pets from directly touching it and getting burned. It can be easily installed both inside and outside the cage, and is compatible with both hanging and side hooks, making it extremely convenient. [Durable Ceramic Bulb] Adopts a ceramic light bulb with a special coating, making it less prone to breakage and boasting a long lifespan of approximately 1500-2000 hours. It can be used safely even if it gets a few water droplets on it. [Gentle Heating with Far Infrared Rays] Far infrared heating gently warms the bodies of birds and small animals from the core. Because it emits little red light, it doesn't disrupt their day and night rhythm, maintaining a comfortable environment. [High Heat-Resistant Material & Safety Design] Uses alloy plating and heat-resistant paint, which does not deform even at high temperatures and is designed so that the paint does not peel off even after long-term use. With a leakage prevention design, you can use it with peace of mind. [Wide Range of Compatible Animals] Ideal for cold protection for various small animals such as parakeets, Java sparrows, cockatiels, rabbits, hamsters, reptiles, and amphibians. It is also useful for dealing with the changing seasons and the cold of winter. Outer box and hooks are not included.