Hot Sale! Home use Carbon Monoxide CO Gas Detector with High Quality Model:JKD-810COM PRODUCT INTRODUCTION The product is a smart carbon monoxide and combustible gas combo detector , microprocessor control , .This product is used to detect both the toxic carbon monoxide gas and combustible gas (such as liquefied petroleum gas ,natural gas , methane etc ). when trigger the detector , it will alarm with build -in-siren . This detector adopts catalytic combustion method sensor and electrochemical sensor which is stable and reliable . PRODUCT FEATURE High reliable catalytic combustion method Power supply from AC 90v-240v or 9v rechargeable battery Intelligent microprocessor control Auto detect sensor failure ALARM : The Yellow light will flashing when carbon monoxide gas over 100PPM,Meantime four time“Di” , When combustible gas over 2500PPM (lower explosive limit, equal to 2500PPM). Red light flashing , At the same time a buzzer continuous "Di Di Di " sound . PICTURE SHOW CERTIFICATES PAYMENT & SHIPPING ABOUT US