Digital Gas Detector, Carbon Monoxide (CO) Detector, 1 Pack, Battery-Operated Alarm

Features: Sensitivity/Alarm Time: Within 60-90 minutes at 50 ppm CO concentration; Within 10-40 minutes at 100 ppm CO concentration; Within 3 minutes at 300 ppm CO concentration LCD Display (optional): 4-digit LCD display Audibility: 85 dB (at 1 m distance), Frequency 3 - 0.5 kHz Standby Current: <50 A Alarm Current: <50 mA Standby Mode: Green LED flashes once every 30 seconds Alarm Mode: Red LED flashes 4 times quickly with a beep every 5 seconds, then repeats. Low Battery Indicator: Beeps every 30 sec when the battery is less than 3.3V, with green LED and Lb flashing on the LCD Fault Indicator: Beeps every 30 sec with green LED off and Err on the LCD Power Consumption: 0.3mW Size: 11 x 4cm Power Supply: 3 AA batteries (not included) A perfect item to protect your family from the dangers of carbon monoxide Advanced level of protection, with digital display easy to read even in low light conditions Indicates the carbon monoxide level detected by the device Green LED: Flashes every 30 seconds to indicate that the device is working properly. The green LED also flashes before CO measurement and when any button is pressed Red LED: When a dangerous level of carbon monoxide is detected, the red LED flashes and an audible alarm sounds. The carbon monoxide alarm pattern consists of 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle lasts for 4 minutes and then changes to one cycle per minute until the unit is reset or the CO is eliminated. The test/reset button is used to test proper operation weekly and to reset the unit during the CO alarm. It notifies the user when the batteries need to be replaced. Mounting this alarm on a wall surface is highly recommended. Compact, lightweight, and easy to use. Specifications: Color: White Sensor: Electrochemical CO Sensor Package Contents: 1 x Carbon Monoxide (CO) Alarm Battery not included