LCD CO Carbon Monoxide Poisoning Sensor Monitor Alarm

LCD CO Carbon Monoxide Poisoning Sensor Monitor Alarm Detector WhiteFeatures:Portable and compact.Easy installation no need to debug.LCD Display with a blue ground Light.Loud 85 decibel alarm with LED Flash While in the Alarm Mode.Precise electro-optical sensor high consistency and stability. Specifications Sensitivity Time 30ppm Alarms within 120 Minutes 50ppm Alarms within 60~90 Minutes 100ppm Alarm within 10~40 Minutes 300ppm Alarms within 3 Minutes Standby Current 50uA Alarm Current 75mA Power Supply 3 * AA Batteries (Not Include) Operation Ambient Condition 5~40? 20~90%R.H. Color White Product Weight 88g / 3.1oz Package Size 10.5*10.5*4cm / 4.2*4.2*1.6in Gross Weight 120g / 4.23oz Package Included:1 * Carbon Monoxide Alarm2 * Screws1 * User Manual