DC 3V Smoke Detector For Hotel Office School Hospital Security Protection Self-check Function Independent Smoke Alarm

Power Supply: DC 3V（Without Battery）

Standby Current: <20 uA

Alarm Current: <100 mA

Low Voltage: 2.5V±0.1V

Alarm Volume: >80dB (3 meters away)

Mounting Hole Spacing: 60mm

Operating Temperature: -10℃~+50℃

Operating Humidity: ≤95%