Electrochemical Sensor for Accurately Detect: Electrochemical sensor carbon Monoxide Alarm built with high quality helps to monitor co quickly, provides the warning of dangers as soon as possible; the loud alarm signal (Loud>70dB) helps your family stay in the safety
Fire Retardant PC Plastic Material:?High-quality materials will ensure alarm working when fire, won't be destroyed in the early time
East to install
Test-Silence Button and LED Lights: CO detector with test button would be tested before use; if sounds the alarm signal without dangerous, could push the test button to silence it or replace batteries if the battery low. The Green LED light means working, the Red LED light is alarming or warning, The yellow means?malfunction.