Carbon Monoxide Alarm, Digital Display CO Detector Security CO Monoxide For Home Safety Battery Powered with LCD Display and Sound Warning for Home,School,Office

【UNIQUE DESIGN]: Build in Carbon Monoxide Alarm With LED Display,Electrochmical sensor,high consistency and stability with nice outlooking, 【Audible and Visual Warning]: 85 dB loud alarm beeps and red LED flashes when dangerous level CO gas is detected to provide instant alert signal effectively, 【Alarm Standard&LED display]:the alert time depend the level of carbon monoxide concentration, And the display screen of the carbon monoxide alarm can accurately measure the concentration of carbon monoxide and its concentration data. The CO level is, 【Alarm Stardant&ENERGY]: 50ppm,alert 90 minutes,100ppm,alert within 40 minutes,300ppm,alert within 3 mintues. Battery: DC3V (2*1.5V AA battery powered ),(Battery Not Inlcuded), 【Suitable for all places]: houses, shops, hotels, restaurants, office buildings, schools, banks, libraries, computer rooms and warehouses, etc.