Questions about Shelly Tür-Fenster-Sensor

The "ALRB_B_DW_W - BLU Door Window Sensor" and the "Shelly BLU Door/Window" with the 2023 release have some common functions, but there are also some differences and clarifications to the specifications: ## Common functions - Both devices are Bluetooth sensors that can detect the opening and closing of doors and windows. - They measure the tilt angle of doors and windows that tilt and turn. - Both have light measurement and a long battery life (up to 5 years). ## Differences - Modes of operation: Both devices have a regular mode and a beacon mode. However, the beacon mode sends the current status (open/closed, lighting, battery status) every 30 seconds, which can reduce battery life. There are no specific changes in the 2023 release regarding these modes. - Hardware and software: There are no official details about specific hardware or software updates in the 2023 release. Specifications such as Bluetooth protocol (4.2), RF band and CPU (EFR32BG22C222F352GM32) remain unchanged. - Compatibility: Both devices are compatible with Shelly Plus devices that support Bluetooth. There are no indications of changes in compatibility in the 2023 release. ## Conclusion There are no significant differences between the "ALRB_B_DW_W - BLU Door Window Sensor" and the "Shelly BLU Door/Window" with the 2023 release, as the basic functions and specifications remain identical. Any minor changes or improvements are not specified in the official sources.