Keep your family and employees safe thanks to this Swann Alert Sensor, which provides an additional sense of security for your home or small business. Position this sensor near the entrance of your driveway, garage, shop, small business or anywhere you want to monitor traffic. Combine this Alert Sensor with the Swann Wireless Doorbell Kit, Wireless Entry Alert System, Wireless Entry Alert Kit or Wireless Gate-Alert Kit* for the ultimate in security.