Specifications:

• Working Way: Work Independently
• Usage: Fire/Smoke
• Type: Smoke Detector
• Round Size: R = 107mm, H = 35mm
• Quantity: 1pcs
• Power supply: 3V battery (Not Included)
• Origin: CN(Origin)
• Operating temperature: -10°C ~ +50°C
• Operating Humidity: 95%RH
• Model Number: YTCQ004
• Model Number: Smoke Sensor Detector
• Alarm volume: 10 feet to 85 dB