... sensor work with finger touch 12V/24V Wireless Touch Controller,DC12V/24V Wireless Touching Remote controller DescriptionWork temperature: -20 ... Output signal brightness control, every time you press this button, the brightness or speed series add 1, altogether 25 ... press this button, the brightness or speed series minus 1, altogether 25 level; Wireless Touch Controller,DC12V/24V Wireless Touching ...