A smoke alarm is critical for the early detection of a fire in your home and could mean the difference between life and death. Fires can occur in a variety of ways and in any room of your home. But … Read the rest
Above is some project of perimeter security using solar-powered wireless infrared alarm beam sensor with wireless alarm receiver. It is ideal sensor kit for outdoor garden, driveway, fence, wall break in alert alarm guarding signal transmission.
It is more convenient … Read the rest