Vibration sensor for GSM alarm, activates the security system

A wireless vibration sensor is an indispensable element of any security system. Installed on the surface of windows or doors, the sensor will very sensitively respond to vibrations that exceed the norm and promptly activate the security system of your home.   Characteristics: - Operating frequency 315-433 MHz; - Transmission distance - 90-180 m in open space; - Power supply - 12V (one 23A battery, service life 1 year); - Operating temperature - from -10 to 50 C; - Sensor size - 71x36x15 mm; - Sensor weight - 50 g; - Case material - ABS; - Best installed on window glass, glass doors, drawers and other surfaces; - Used to protect both windows and doors. At the slightest vibration, the sensor activates the security system; - Reminder function to replace the battery.