LED switch with 'Touch' system and memory even after a power cut, with blue LED lights when turned on. Ideal for monochromatic LED strip and low voltage 12V 24V LED spotlight. Ultra slim size 40mm x 10mm x 2mm, perfect for insertion in aluminum profile. Functions: ON/OFF with a quick touch on the spring or cover, DIMMER by holding down the spring or cover for more than 3 seconds to decrease and/or increase the light intensity. Connections: '+' sign to the positive of the DC12V/24V transformer, '-' sign to the negative of the DC12V/24V transformer, 'LED+' sign to the positive of the 12V/24V LED strip, 'LED-' sign to the negative of the 12V/24V LED strip.