Carbon Monoxide Detector, Carbon Monoxide Detector with Digital Display and Audible Alarm, Battery Powered (No batteries included)

【How to use the carbon monoxide alarm】Powered by AA batteries, it will automatically turn on after charging the battery, then enter operating mode (the screen will turn off immediately, which is a normal phenomenon). When the concentration value exceeds 30 ppm, the screen illuminates and displays the value so you can check the PPM reading at any time. The carbon monoxide detector is equipped with an LCD screen for easy, real-time reading of values (ppm) and features audible and visual alarms. When the concentration exceeds a certain level, the alarm sound and the red light flash. You can quickly and clearly understand the PPM concentration and take appropriate measures to effectively protect your personal safety and the safety of your property. The alarm self-test allows you to test the product's effectiveness by briefly pressing the button once. If the value is not displayed on the screen and an orange light is displayed, this indicates that the battery is fully charged and reminds you to replace the battery in a timely manner.

【Widely Used Carbon Monoxide Alarm】 Adopting a high-precision electrochemical sensor, it can quickly detect carbon monoxide gas. Can be used in the kitchen, bedroom, bathroom, garage, camper van, camping, and other places.