8-mode: mode 1: switch mode switch relay turn on / turn off light turn on / turn off buzzer; Mode 2: PWM of RGB light RGB mode of 3W LED; Mode 3: Cyclical mode RGB mode green-blue-red mode; Mode 4: display mode; display letter or number; Mode 5: password mode setting password; Mode 6: decoding mode decode password; Mode 7: servo mode adjust angle one-button homing; Mode 8: capture mode capture CDS signal an increase in the original package Microphone sound sensor module Digital temperature sensorReed moduleFlame sensorSensitive microphone sensor module Linear hall magnetic moduleTouch sensor module