Specifications:

• Alarm current: Less than or equal to 350mA
• Alarm sound: More than 80 db
• Battery: 10 year lithium battery
• Brand Name: YUPA
• Certification: CE
• Humidity range: Less than 95%RH (no freezing)
• Low voltage alert: 3.9V±0.3V
• Model Number: 438R
• Operating temperature: 0°C to 50°C
• Origin: CN(Origin)
• Smart home platform: Other
• Static current: Less than or equal to 20mA
• Type: Smoke Detector
• Working voltage: DC 5V