... the first power on or press button “D” to turn on the light2,Switch off/on the power each time,the color ... the speed of “A” and “B”4) Pressing button “D” to switch on/off the led light5) It will reset in 5 ... many led lights synchronouslyApplication:The LED underground Lamp is widely used in Stairway,walkway,Driveway,Sidewalk,Garden,Lawns,Yards,Park,Street ...