1-channel radio rotary switch, pure white glossy for single mounting 80x80x25mm or mounting in the 55er switch system. With battery (service life 2-8 years). Smart home sensor. With this wireless rotary switch, all Eltako wireless dimming actuators as well as the wireless switching actuators TF61L, TF100L and all FSR61 can be comfortably controlled. In order to program the wireless rotary switch into the actuators, the front plate is removed with a rotary knob, the mini button (LRN) that is accessible is held down and pressed briefly on the axis of the rotary knob. The power supply for several years is provided by an internal 3V button cell CR2032. To replace the button cell, simply remove the front plate with the rotary knob. Mounting: Screw on the retaining plate. Then snap on the frame, remove the battery insulation, attach the rotary knob and snap on the front plate. The sleeves in the box are used for screw fastening via a 55mm switch box. For screw fixing we recommend stainless steel countersunk screws 2.9x25mm, DIN 7982 C. With plugs 5x25mm as well as on 55mm switch boxes. 2 stainless steel countersunk screws each, 2.9x25mm and 5x25mm dowels are included. Only when dimming actuators are controlled: A jumper can be used to set the minimum brightness in 3 steps. The soft-on function can also be selected, which gently turns on the lighting.This text is machine translated.