12 Ago DC 7V24V Sound Sensor Light Control Switch Relay Module Delay 3S60S
Gradually adjust the sensitivity until you need. Sound Intensity Threshold Range: about 20-90dB adjustable. Light Intensity Threshold Range: about 10-10000Lx adjustable. 2> Stop trigger, the sensor can sense all sound, the output relay, the relay will be the sound of Kaka, will trigger module solutions:...