If the weather's getting a bit too hot to handle, we can't recommend the Challenge air conditioning unit enough. It recycles warm air into cool air, to keep your room at the perfect temperature, it's easy to move from room-to-room with its omni-directional castors and can be easily controlled with its LED display, timer function and remote. Features auto-restart function, self-diagnosis and auto-protection. Suitable for room size up to 10m². Size H61.5, W32.9, D31.8cm.Remote control requires 2 x AAA batteries (Battries Not included).