AC220V Rauchmelder

AC220V smoke detector 1. Material: ABS 2. Battery 9V DC independent / AC220V with 9V battary back up for option 3. Working current:≤5μA 4. Alarm sound: ≥85dB (3m) 5. Working temperature: -10 to +40°C 6. Photoelectric sensor particularly effective detecting smoldering fires 7. Built-in 85dB sounder and flashing red LED will indicate presence of smoke 8. Manual test button help to verify battery status and alarm operation 9. Low battery and sensitivity detection 10. Tamper-resistant protection 11. Measurement: 54*46*37cm 12. Quantity: 47pcs/ctn 13. Net weight: 11.7kg 14. Gross weight: 12.7kg