... A( refer to photo ) the yellow LED auto turn on and enter into the first working mode, after ... mode according to different using environment,after the power turn on and long press the button A enter ... 30 seconds,4.Long press the button A,turn off the power(turn off all LED),the device stop working. Attention1.The ... nobody stay,please pull out the plug or take off the battery.2.Keep in mind the frequency ...