Dimmer, flush-mounted transmitter and receiver for installation in a switch box Transmitter: 4-channel transmitter sends up to 4 commands or 2 commands (via buttons 1 and 2) and 2 scenes (via buttons 3 and 4) Receiver: with a dimmer output, with electronic overload and short-circuit protection, with 2x2.5 mm plug-in terminal per connection, supply voltage: 230 V/50 Hz, no neutral conductor required, load types: - incandescent lamps 20-250 W - high-voltage halogen lamps 20-250 W - electronic transformers 20-250 W - conventional transformers 20-250 W - dimmable energy-saving lamps: 20-100 W Combination devices All combination devices work with a frequency of 868 MHz. Up to 64 transmitters or receivers/combination devices can be programmed into each combination device. Buttons 1 and 2 are generally used for local operation of the respective combination device and can also be used as a transmitter. In conjunction with the ELSO IHC control unit 2, local operation can be cancelled. Basically, all combination devices work in 2-button mode! In conjunction with the ELSO IHC control unit 2, 1-button operation is also possible. Note: To complete the wall transmitter, the following must be ordered separately: - 1 support plate - 2 touch surfaces or 1 touch surface and 1 blank cover - 1 combination frame 55