The Purflo Starlight Colour Changing Room Thermometer & Nightlight is a beautifully designed colour changing thermometer that keeps baby\'s room at a safe temperature. It\'s also portable so can accompany baby everywhere! The colour changes from Blue for “too cold”, Green for “just right”, Amber for “getting too warm” and Red for “too hot”.  There\'s a chargeable lithium battery which means no dangerous wires to trip over Features: Colour changing thermometer helps you keep baby\'s room at a safe temperature The easy read thermometer changes colour according to temperature. Blue for too cold (less than 14°C), green for just right (15-20°C), amber for getting warm (21-26°C) and red for too hot (over 27°C) Neutral colours will compliment any nursery/bedroom decor Rechargeable long-life lithium battery Micro USB port for charging Suitable from birth