Purflo Thermometer is a well designed colour changing thermometer that helps you keep the baby\'s room at a safe temperature. It is portable so easily moved as is battery operated which means no wires to trip over. If the room is too cold it will be Blue, Green is just right, Amber - getting too warm and Red for - too hot Easy to read Keeps baby at a safe temperature Portable Rechargeable lithium battery Suitable from birth. Our opinion \' This clever easy on the eye thermometer will give you all the peace of mind you need\'