Smoke Detector Fire Alarm Smoke Sensor

Features:
 1.New and high quality
 2.Easy to install with mounting hardware included
 3.9 Volt battery included
 4.Suitable for any room
 5.Test button for easy recommended monthly testing
 6.Low battery signal
 7.To protect you, a safety clip will not allow mounting ot smoke alarm without 9 Volt battery installed
 8. Lonization chamber for early detection from all directions
 9. Loud 85rib alarm signal

Specifications:
 1. Charging time: About 3 - 5 hours
 2. Material: ABS Plastic
 3. Output pulse voltage: 2000 kv
 4. Rechargeable battery: yes
 5. Color: black
 6. Power supply: 9 Volt battery
 7. Operating current: 20-5-mA, static current < 10 uA
 8. Operating temperature: -10 to 50

 9. Gas interface humidity: 10% - 90%
10.Sensitivity: 85dB at 10 feet
11.Battery life: More than 1 year