RECORDABLE PIR MOTION SENSOR WITH AMPLIFIER
Categories : Series 5 Precaution Equipment ,  ตรวจจับด้วยสัญญาณ , 
This circuit is a Digital Recorder and Audio Player which can beactivated by the passing of the life through the PIR sensor. This circuit can be installed on the entrance. To say words such as welcome, thank you, or music, etc.
Technical Specification