About this item COVERAGE: 105° Scanning Range ensures a large area is covered. It can be used for doorways, sheds, caravans, garages. EASY INSTALLATION: Because of the battery operation there are no wires. Just an adjustable wall mount, which is included. WIRELESS: Alarm powered by 4 x AA batteries or 6V DC power adapter. The remotes are powered by 3 x AG13 button cell batteries. LOUD ALARM: 105dB alarm. REMOTE CONTROLS: The alarm comes with 4 small, portable remote controls on key chains. These are used to arm/ disarm the alarm and come with batteries included. .
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