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.

Specifications
Power supply DC 1.5V (AA 1.5V LR6 Battery x 1 pc)
Static current ≤35uA
Alarm current ≤10mA
Transmitting distance ≤80m (in open area)
Radio frequency 315MHz/433.92.92MHz (±75KHz)
Housing material ABS plastic
Operation Condition Temperature: -10°C~55°C
 Relative humidity: ≤80%(non-condensing)
Transmitter dimensions 71 x 34 x 17.5mm (L x W x H)
Magnet dimensions 51 x 12 x 13.5mm (L x W x H)