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2-in-1 Smart Wireless WIFI+APP Fire Smoke & Temperature Sensor Wireless Smoke Temperature Detector Home Security Alarm System
Specifications:
- Certification: CE
- Origin: CN(Origin)
- Type: Smoke Detector
- Static current: Less than 20mA
- Sounder level: more than 80dB
- Power voltage: DC5V
- Operating temperature: 0°C to 50°C
- Model Number: FD438W
- Low voltage alert: 3.9V ± 0.3V
- Humidity range: Less than 95%RH (no freezing)
- Brand Name: FD
- Battery: 10 year lithium battery
- Alarm current: Less than 350mA
- Free shipping
- 100 days returns
- Low prices
- 5 million products