The "Dimmerle" from Theben (DIMAX 540 plus B, article no. 5400130) is getting backup: The DIMAX 540 APP B is now available as a compact and powerful app version of the flush-fitted dimmer for R and C loads (32.5 x 26.6 x 9.6 mm). Perfect for retrofitting, renovating or refurbishing older existing buildings (single-family houses, older commercial or functional buildings, old villas or town houses), in which the neutral conductor is often missing. It can be controlled and programmed using Bluetooth via an app for Android and iOS or by using a button. The special feature: Any number of DIMAX 540 APP B can be networked with a BLUETOOTH mesh. If one dimmer fails in the system, another one automatically takes over control https://elecena.pl/product/29595696/5400230-mini-flush-fitted-dimmer-without-neutral-conductor-app-blueto 2025-12-11 https://elecena.pl/product/29595696/5400230-mini-flush-fitted-dimmer-without-neutral-conductor-app-blueto 2026-02-10