A Radiant Heat Warmer is a newborn care device featuring an overhead heating element, an open baby tray with a mattress, and a temperature control system with safety features like alarms. Key specifications include a microprocessor controller with servo and manual modes, thermistor sensors for precise temperature control (e.g., ±0.2°C accuracy), LED displays for real-time monitoring, and safety features such as audio-visual alarms and keypad lock. Physical specifications vary but can include lockable castors for mobility, collapsible side panels, an X-ray cassette tray, and specific dimensions for the bed, height, and distance to the heat source.