TENGLE Wireless Digital Doorchime TL-3927(32-Sound)

Battery - A device used for the storage of electricity

Digital - A system that uses only 0s and 1s to transmit data

Batteries - Portable Power sources in cell form

Sounds - Audible notes that can be heard using ears

Waterproof - Resistant to water, usualy specified by depth in metres

weight - A measure of the force applied on an object by gravity. Measured metric in grams and kilos or imperial in lbs and oz

Weight - a measurement of how heavy an object appears due to the pull of gravity. For example the weight of an object on planet earth will be different to the weight of the object on the moon

Resistant - Something that can repel against something.

Patent - A legal right towards owning and having the sole use of a name.

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

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