Skylink WT-433 Window/Door Sensor    Brand: Skylink    Model : WT-433    Customer Rating :    List Price : $25.95    Sale Price : $18.98 Skylink WT-433 Window/Door Sensor Feature Protects doors, windows, and other entrances Sends a signal to Control Panel or Dialer when contact is broken Add on as many magnetic contacts (MS-001) as needed Covers range up [...]