Chuango DWC-102 Wireless Door/Window - DWC-102
The DWC-102 works well with any door, window or opening. When triggered (separated), an alarm signal will be sent to the system controller for appropriate response. It also comes with tamper protection to ensure system integrity, and can work with other wired detectors. If connected to a GSM alarm system, low-battery alerts via SMS text messages are possible.