BRK 790MRL Heat Alarm – Mains Powered With 10 Year Battery Backup

LED - Light Emitting Diode - a small light source

Battery - A device used for the storage of electricity

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

Heat - A term used to define thermal energy

Button - A round or square object used for fastening clothing or other items

button - A small fastener used on clothing to secure two pieces of fabric together.

Year - The time it takes the planet earth to orbit the sun. This takes around 365.25 days.

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Year - 365 days (366 days in a leap year), the time taken for planet earth to make one full revolution around the sun.

Ideal - Something that satisfies a perfect criteria.

Rechargeable - Something that can be charged back to its original state, e.g. batteries.

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.