Wireless dimming and CCT colour changing for one group of lights. Battery operated (3V) button can be mounted on a desired spot ie. with sticker. With your button, you need at least one receiver (RGB/CCT receiver), that the button is controlling. You can pair multiple receivers with one button. With this button, you can control CCT (colour temperature changing) lights.
To turn on and off, press the top left corner
To dim the lights, press bottom left corner for long time. When you press long again, it will start brightening.
Press top right to make the light colour warmer and bottom right to make it cooler.