Description: When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. Standby: Green Led flashes once every 30 seconds. Alarm: Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat. Sensitivity Alarm Time: A test / reset button allows you to test that alarm is functioning properly. Plus a peak-level memory keeps track of the maximum CO level detected between resets. The CO detector is a battery-operated independent carbon monoxide (CO) alarm and with the inside carbon monoxide sensor to help protect you and your family from the dangers of CO. The detector is easy to install and use . In a CO emergency, the red LED pulses and an 85 db horn sounds at specific intervals until the CO threat is eliminated. Technical parameters: Power supply: 3 pcs 1.5V 5# batteries (not included) Monitor current: less than 35 uA Alarm current: 20mA or so; Alarm concentration: 50 (± 30%) ppm of carbon monoxide gas Low-voltage warning threshold voltage: 3V ± 0.3 V; Environment: Temperature: 0 ° C ~~ 45 ° C, relative humidity: 20% ~ 95% non-condensing; Alarm sound: three meters in front of more than 85 db; Note: (Battery do not included) Cautions: 1. Mounted on a wall. 2. Do not install in garages, kitchens, furnace rooms or bathrooms! 3. Install at least 15 feet away from any fuel burning appliance. 4. We suggest an alarm be installed on each level of a multilevel home 5. Needs to be tested weekly! Package include: 2 x LCD CO Carbon Monoxide Poisoning Sensor Monitor Alarm Detector - White batteries (not included)
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