Air and smoke quality detector with digital display, 85 dB audible alarm – for home, office and security

【High Accuracy and Reliability】The air quality detector is equipped with advanced electrochemical sensors that more accurately detect dangerous CO2 levels and issue alerts faster. 【LCD Digital Display and Audible Alarm Function】The air quality detector is simple to use and features a test/reset button. When dangerous air quality levels are detected, a red LED flashes and a loud alarm sounds. Providing 24-hour real-time monitoring, this carbon monoxide detector can easily read the air quality levels in your home. 【Portable and Easy to Install】The air quality detector is easy to install and requires no rewiring. You can install the air quality alarm on a wall or ceiling. 【Test Button】Press the test button on the air quality detector, and it will emit a dripping sound, indicating that the alarm is functioning correctly. 【Air Quality Alarms Are Widely Used】With a high-precision electrochemical sensor, it can quickly detect air quality gases. It can be used in the kitchen, bedroom, bathroom, garage, RV, camping, etc.