China Wireless Smoke Detector with RF 433 or 868 MHz, Find details about China Wireless Smoke Detector, Built-in 10 Years Battery from Wireless Smoke Detector with RF 433 or 868 MHz
Photoelectric smoke alarm 1. Power supply: Non-replaceable 3V lithium battery; 2. Conform to EN14604:2005/AC:2008; 3. Alarm volume: ≥85dB at 3m; 4. Big test button for easily weekly testing; 5. Product life time > 10 years; 6. Auto maic compensation design with automatic calibratio for accurate sensitivity, suitable for long life operation, lower false alarm rate; 7. Low battery signal alarm; 8. Silence function: Approx.8 mins; 9. 10 hours non-disturb function under lower battery status; 10. Ceiling mounting, easy to install with mounting bracket; 11. Safety clip feature, not allow mouting without battery installed; 12. Size: Φ120 * 38mm. |