3in1 monitor for carbon monoxide, temperature, and humidity Measures carbon monoxide (CO) and tracks ambient temperature and relative humidity using a builtin digital display for instant readings. Realtime monitoring gives you immediate information so you can detect unsafe CO levels and assess comfort or environmental conditions quickly. Singlebutton operation makes the device easy to use: power on, take a reading, and interpret results on the display without complicated setup. Key benefits — why you need it Safety: Early detection of carbon monoxide helps protect you and your household from an odorless, colorless hazard. Comfort and prevention: Temperature and humidity readings help you optimize heating, ventilation, and dehumidification to reduce discomfort and minimize mold risk. Fast decisions: Instant digital readouts let you act immediately—ventilate a room, check a heater, or move to a safer area. What makes it practical Clear digital display for quick assessment of CO, temperature, and humidity values. Onecontrol simplicity reduces user error and makes the unit suitable for nontechnical users. Designed for use across environments: home, office, and outdoor situations where monitoring these parameters matters. Use scenarios Home kitchen or garage: Monitor CO levels when using gas appliances or during vehicle idling to ensure family safety. Office or workshop: Check temperature and humidity to maintain occupant comfort and protect sensitive equipment or materials. Outdoor activities: Use while camping or grilling near enclosed spaces to monitor for CO buildup and to track temperature and humidity for comfort and safety. What you can expect Straightforward, reliable readings displayed instantly for practical decision making. Versatile placement for indoor and outdoor monitoring without complex installation. Simple operation with one control, suitable for household and workplace users who need clear, immediate information. Specifications and functions 3in1 functionality: carbon monoxide, temperature, and humidity measurement. Realtime monitoring with digital display. Singlecontrol operation for effortless use. Compatible with home, office, and outdoor applications.