"The HomeMatic adapter for switch series enables HomeMatic wireless actuators to be integrated into existing installations of various manufacturers and designs easily, cost-effectively and with minimal installation work required.
You can replace (existing) switches with the following HomeMatic wireless actuators if the wiring is suitable:Wireless switch actuator (HM-LC-Sw1PBU-FM)Wireless dimmer actuator (HM-LC-Dim1TPBU-FM)Wireless shutter actuator (HM-LC-BI1PBU-FM)The following switch series can be integrated using the adapter for Jung J1 switch series:LS 990LS-designLS-plusCD 500CD universalCD plusDimensions: 6.0 cm x 6.0 cm x 2.6 cm"