Telecomando wireless multifunzione 12 V 4 CH relè timer ritardo RF interruttore

1 In delay mode(Mode 3),with a suitable screwdriver and gently rotating adjustable resistance;Clockwise, increasing delay,Counter-clockwise, the delay is reduced. Delay mode user guide Step 1 (into the learning mode): Press the button (about 1 second), LED off;.

eBay