EnOcean Wireless Wall Switch 2-Channel Anthracite System 55 - Wireless transmitter for transmitting switch, dimming, or blind commands to EnOcean wireless system receivers. A battery-free device without external power supply. Transmission energy is generated from mechanical energy when the switch is pressed. Encrypted or unencrypted wireless transmission is possible. Mounting on device boxes or smooth, flat surfaces using screws or adhesive. This product is not compatible with eNet. Gira EnOcean transmitters are compatible with third-party actuators. The delivery includes a wireless wall switch, mounting plate, adhesive film (privacy protection for glass surfaces), and adhesive dots for mounting on smooth, flat surfaces.