Also suitable for monitoring doors, drawers, and other movable fixtures. Generates energy for radio telegrams even with a button press, thus no connection cable and no standby loss. Smart Home sensor. A radio telegram is sent each time it is opened and closed. Designed for more than 100,000 switching cycles. Evaluation through various models. Mounting can be done by sticking with the included adhesive film, screwing, or using the included mounting bracket.