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Personal security systems have become a near-necessity of life. This plan will show you how to build and install a reliable security system to keep your home or business protected.
The Mother Earth News home security alarm system features adjustable exit and entrance timers, a built-in loop test circuit and optional 12-volt triggered output, and a set of external relay contacts.
Author: TJ Byers
Item Number: 772
We stand by our products. If you are not fully satisfied at any time with your purchase, simply return the item and we will issue you a full refund. No questions asked. Shipping and handling is non-refundable.