Non-mercury Tilt Switch.

Gold - A precious highly conductive metal

Diameter - A measurement across a circle passing through the middle

Alarm - A device which emits a sound at a pre-set time/event

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

Mercury - A small planet 46.8 -69.4 million kilometres from the sun. It is the closest planet to the sun.

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

Gold - A colour, a type of rich metal. Chemical symbol AU.

Voltage - A measurement of volts.

Rapid have established themselves as a leading online supplier of electrical products, cables, tools, electrical components and educational resources. Through their website you can purchase a variety of meters and resistors, batteries, electrical sockets, fuses and circuit breakers, communications cables, miniature power tools, small hand tools, rivets, tapes and adhesives, office equipment and educational books and equipment. As well as selling to the general public their extensive product selections means they also sell to trade customers. They also have great links with educational customers supplying products to many schools, colleges and universities. They also offer a great turnaround on delivery meaning that your products can be with you the very next day. Some of the top brands that they stock include Recom, Draper, Bosch, Hammond, Duracell, Kingbright, Arcol and Neutrik.