The 7 Day Electronic Wall Switch Security Timer by Green Brook is a brand new sealed unit designed to provide added security to your home. This timer switch, model T40S-C, operates on a Wall Plug-In power source and features a battery backup for continuous functionality, this white-coloured device is a convenient and reliable solution for controlling your home's security system for up to 7 days. Use as a normal light switch with a simple touch control.
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