The wireless push buttons, switches, and sensors of the Harmony XB4R/XB5R series, which operate without wires or batteries, are used in many applications in the building sector (automatic gates, etc.) and industry (conveyor systems, etc.). The wireless solutions stand out due to advantages such as low installation costs and times, high flexibility and mobility, as well as maximum availability. This visual feedback module is compatible with the wireless auxiliary switch blocks ZBRT1 and ZBRT2. The transmitter and receiver communicate over a globally free frequency band of 2.4 GHz and are approved for ZigBee Green Power. With the existing certifications and compliance with standards, the potential use in many countries is ensured. Thanks to the Green Premium environmental label, you can obtain detailed information about material contents, environmental impacts, and circular economy, which support your sustainability goals.