This alarm has powered by a built-in rechargeable lithium-ion battery that will be charged by the solar panel. It includes one AC-powered receiver and one sensor. It is expandable with up to 4 sensors and unlimited receivers for complete coverage of your perimeter. The price drops from $89.99 to $55.99 to $27.99 when you apply coupon code "DUDQN7FE" at checkout. Shipping is free.

Apply coupon code "DUDQN7FE" at checkout.