Hq Smoke Fire Alarm Sensor Detector Security System For Home Kitchen Bedroom

Features: 1. CE& EN50291 carbon monoxide alarm; 2. 2-3 years of life, high-precision electrochemical sensors; 3. Good quality, good reliability and high stability; 4. 85 db alarm sound; 5. Alarm standard: EN50291; six Simple installation; 7. Liquid crystal display; 8. Low-power warning function; 9. Test/reset button; Innstructions: Test: press the Test button, alarm arise means the machine normal Static indication: a "squo" LCD display "Lb" every 30 seconds Specification: Shell Material: Plastic Color: White Power source: 3 PCS AA battery Voltage: DC 4V Alarm concentration: * 50 PPM, the alarm is 60-90 minutes; * 100 PPM, warning for 10 to 40 minutes; * 300 PPM, the alarm is 3 minutes Static current: <35uA (working year) Alarm current: <20mA Low voltage warning threshold voltage: 3V plus or minus 0.3 V Alarm sound: the front 3 meters is greater than 85 decibels Working scope: 0-45 C, 20 ~ 95% r.h. no condensate Size: 10x5cm Package includes: 1 x Smoke Alarm (Batteries are NOT included) 1 x User manual Details pictures: