1.Sophisticated manufacture
2.Stable performance
3.High accuracy
4.high quality

1.Raspberry Pie
2.Stm32/Uno R3/51 Single Chip Microcomputer Sensor
speaker
3.voice equipment
4.home applications

1.3MM Mounting screw hole
2.5V DC power supply
3.High-sensitivity microphone, high sensitivity
4.with power indicator
5.with analog output