ZSM-NE037 - DIY kit; sound switch; 12VDC; 3A

Description:
The sound switch permits acoustic control of activation and deactivation of electric devices (mostly illumination). After each b sound from the surroundings, which may be for example clapping, the transmitter changes the state to the opposite one, activating or deactivating for example a lamp. Dimensions of the board 31x80 mm.