... ,farms and so on.Technical data1.Power Supply: 9-volt battery stacked or a mains powered 9V adaptor2.Passive ... plug unit into socket,the head of 8 LED light will flash and indicate the power has ... choose the working mode (yellow LED,green LED,red LED and flashing the red LED)3. The conversion time of ... button A,turn off the power(turn off all LED),the device stop working. Attention1.The environment have ...