Radio 8-channel handheld transmitter, 154 x 50 mm, 16 mm high. Generates energy for radio telegrams even when a button is pressed, therefore no battery is required. Smart Home sensor. The battery-free handheld transmitter contains two identical radio modules and features 2 double rockers. It can send 8 evaluable radio telegrams. This radio handheld transmitter can be attached to walls, glass, or furniture using an adhesive film, just like wireless radio buttons. Included are 2 labeling stickers for the back and 1 adhesive film. The radio modules contained in the handheld transmitter can be encrypted into all encryptable actuators of series 61, 62, and 71, as well as the FAM14, according to the operating instructions. The radio button encryption rocker FTVW is required for this. Encryptable actuators bear the key pictogram.