Honeywell Wireless Door & Window Sensor

Battery - A device used for the storage of electricity

Radio - A device used for listening to audio transmissions

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

magnetic - A susbstance affected at a microscopic level by an applied magnetic field.

compact - Carefuly designed to ensure an item has a minimal physical size

Compact - something that has a lot combined within a small space.

Wireless - A wire free device that uses radio and microwaves to send signals.

Wickes began trading in 1972 as a do-it-yourself store. They now have over 200 stores throughout the UK. The company focus on supplying products to the building trade, as well as materials for home improvement projects. Their products range from fitted kitchens and bathrooms, to all manner of building supplies. They sell doors, windows, flooring, tiles, paint, wallpaper, decorative materials, lighting, heating, plumbing, work wear and gardening supplies. They also offer professionally designed bespoke kitchens and bathrooms, alongside their budget take home ranges. The company was purchased by the builders merchants Travis Perkins in 2005. They now also have stores in mainland Europe, Ireland and South Africa.