Homematic IP door lock sensor - informs at any time about the locking status of the door This door lock sensor allows you to check at any time whether the door lock is locked or unlocked. With the help of the alarm mode, an alarm can be triggered when the door is unlocked. In addition, the integrated position detection allows an alarm to be triggered by a push message as soon as the key is pulled out. The door lock sensor is installed on the inside of the door and requires no modification. The existing key is inserted into the sensor. It fits all common key types for standard lock cylinders with emergency and danger function. Functions/compatibility - Homematic IP offers integration of the areas of room climate, security, fire and water protection, weather, lighting and shading - easy to install, easy to expand and easy to secure - constant monitoring of whether the door is locked - Options for operation: a) Integration via Homematic IP Access Point with configuration and operation via