Get cosy with this SmartAir Boost fan heater. It redirects warm air from your radiators to the areas you actually use instead, of your ceiling. Automatic mode springs into action when your radiator's surface heats to 33°C and powers down when it cools to under 33°C. Or just use the Manual mode to make sure you get every bit of heat you can into your room. Good to know - It fits almost any type of radiator so there's nothing that stands between you and warm winter nights- It takes care of itself by automatically shutting off as soon as it reaches 70°C till it cools to 65°C - Drive only warm air into your room thanks to its intelligent heat sensor- With up to 14 hours of battery life, it'll last you for the entire cold winter night and more- Its lightweight and portable so you can easily move it from room to room