About this item This fits your . Make sure this fits by entering your model number. QUICK RESPONSE: High accuracy carbon dioxide sensing elements, large measurement range and short response time, which is simple to use. SIMPLE TO USE: The perfect choice for monitoring indoor ar quality (IAQ) and HVAC system performance, so you can use it with confidence. MULTIPURPOSE: With large LCD screen, which can display carbon dioxide, temperature, humidity, time and date, to meet your various need. ALARM DISPLAY: The air quality monitor has alarm sound and alarm display, and the carbon dioxide alarm value can be set by yourself. WIDELY APPLICATION: Carbon dioxide detector is widely used in a variety of situations, such as offices, bedrooms, living rooms, gymnasiums, etc. › See more product details