1. MCU Automatic processing technology
2. Manual test
3. Automatic reset
4. Mute button
5. Automatic detection
6. Infrared photoelectric sensor
7. Sound-light alarm
8. SMT design,high stability
9. Dust-proof,lnsect-proof,Anti-visible light
2. Manual test
3. Automatic reset
4. Mute button
5. Automatic detection
6. Infrared photoelectric sensor
7. Sound-light alarm
8. SMT design,high stability
9. Dust-proof,lnsect-proof,Anti-visible light