Q-See QSDL503AD Wireless Home Security Alarm System Kit (DIY) Wireless 433MHz Auto-Dial Main Panel Auto-Dial Main Panel Will Automatically Dial up to 6 Phone Numbers In Case Of Emergency; Pre-Record an Emergency Message. Monitor Doors, Windows, Cabinets, and anything that can Open and Close. Detect Motion with the Infrared Motion Detector Sensors Transmit a High-Pitched Alarm to Warn off Intruders Capability to Remotely Arm and Disarm from a Different Location; This System Can Eliminate Costly Monthly Monitoring Fees