433MHz Photoelectronc Smoke and Heat Detector

1. Adopts MCU auto-processing technology.
2. Heat sensor + smoke sensor.
3. Malfunction auto-check.
4. Auto-reset after trigger.
5. Infrated photoelectronic sensor.
6. Sound & flash alarm / LED indicating alarm.
7. SMT manufacture technology, reliable stability.
8. Dust-proof, moth-proof
9. Anti-RF interference
10. Size: 12.8x3.8cm
11. Material: ABS