2 4ghz tuya methane gas detector alarm

{"cid":"91224585","title":"Wall Mounted Smart WIFI Gas Detector Professional Tuya Smart Gas Detector OEM","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/3f\/59404e5289de3c44e6251152d60e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Symank","Model Number":"JKD-838W","Minimum Order Quantity":"1K","Delivery Time":"10 Days","Certification":"CE\/SGS\/ROHS","Place of Origin":"China","Payment Terms":"L\/C,T\/T,Western Union","Supply Ability":"50K\/Month","Packaging Details":"Carton\/Color Box","Name":"Smart WIFI Gas Detector","Response Time":"Less than 10 seconds","Installation Type":"Wall-mounted","Detection Method":"Semiconduct Sensor","Alarm Type":"Sound and Light Alarm","App Compatibility":"iOS and Android","Operating Humidity":"10% to 90% RH","Dimensions":"100mm x 70mm x 40mm","Gas Types Detected":"Methane, LPG, Propane, Natural Gas","Operating Temperature":"-10\u00b0C to 50\u00b0C","Safety Certification":"CE, FCC","Weight":"200 grams","Connectivity":"WiFi","Additional Features":"Real-time monitoring, Push notifications, Auto shut-off control","Power Supply":"AC 90-240V"}}

{"cid":"91205624","title":"LCD Gas Leak Detector Wifi 2.4GHz Smart Alarm Sensor Wall Mounted","imgUrl":"https:\/\/img.chinax.com\/nimg\/1f\/dd\/e9a9c6ed2c2714d1b8d5b9a1ee45-200x200-1.jpg","attrs":{"Price":"$12.50\/Piece","Brand Name":"Glomarket","Model Number":"SD0307","Minimum Order Quantity":"2 Pieces","Delivery Time":"3-7days","Place of Origin":"Guangdong, China","Supply Ability":"10000 Piece\/Pieces per Month","Certification":"CE, Rohs, FCC","Payment Terms":"L\/C, T\/T","Packaging Details":"colour box","Network":"WIFI","Product name":"Smart Gas Leak Detector Sensor","Model":"SD0307","Power input":"DC5V(micro USB standard connector)","Alarming time":"<30 second","Temperature range":"0\u2103 ~ 55\u2103","Operating current":"<150mA","Element age":"3 year","Air Pressure":"86 106Kpa","Humidity range":"< 80%RH (No freezing)"}}