2 Pack Upgraded Portable Carbon Monoxide Detectors, Mini Travel Carbon Monoxide Alarm, CO Detector with LCD Display & Audible and Visual Warning for Home (6 AAA Batteries Included)

Audible and Visual Alarm: Carbon monoxide detectors detect carbon monoxide through hole. 50ppm, 60-90 minutes CO detector to send an alarm; 100ppm, 10-40 minutes CO alarm monitor to send an alarm; 300ppm, carbon monoxide alarm an alarm is issued at a 3-minute interval. Carbon monoxide detector emit alarms than 75 decibels to offer protection to your circle of relatives from harm.
Portable and Power Saving: The specifications of the CO detector are 2.36*2.36*0.98 inches, the CO alarm monitor is smaller than the palm of the hand suitable for shuttle. The battery-powered (AAA Batteries Included) carbon monoxide alarm has a real-time digital display, when the concentration is not up to 30ppm, the portable carbon monoxide gas detector display will robotically turn off, turn at the power saving mode, greatly reduces the frequency of CO alarm battery replacement.
High Precision Sensitivity: Portable carbon monoxide detectors adopt imported chip, carbon monoxide alarm with LCD display is sensitive to carbon monoxide molecules, when carbon monoxide leakage occurs, CO detector display will display the current value in line with the gas concentration.
Simple Installation and Use: Carbon monoxide detectors are equipped with detection and reset buttons, installation instructions and screw pack. Carbon monoxide alarm can also be installed in line with English instructions, simple operation, only want to drill in the right place.
Multi-occasion Use: CO detector does not contain any radioactive substances, portable carbon monoxide detectors are suitable for homes, kitchens, restaurants, hotels and other carbon-containing fuel combustion isn’t completely produce carbon monoxide toxic gas places.