{"product_id":"fabisense-9c-co2-detector","title":"FABISENSE 9C 3-in-1 CO2 Detector | NDIR Sensor | 3-Color Alarm | CO2, Temp \u0026 Humidity | for Home \u0026 Office","description":"\u003ch2\u003eFABISENSE 9C — 3-in-1 CO2 Detector with NDIR Sensor \u0026amp; 3-Color Visual Alarm\u003c\/h2\u003e\u003cp\u003eBreathe smarter. The FABISENSE 9C uses a professional-grade \u003cstrong\u003eNDIR (Non-Dispersive Infrared) CO2 sensor\u003c\/strong\u003e to deliver accurate, stable CO2 readings from 400 to 5000 ppm — no WiFi, no app, no subscription required. With a 3-color visual alarm system, 2400mAh rechargeable battery, and wall-mount capability, it's the no-fuss CO2 monitor for homes, offices, classrooms, and grow tents.\u003c\/p\u003e\u003ch3\u003e✅ Key Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNDIR CO2 Sensor (400–5000 ppm, ±50 ppm + 5%):\u003c\/strong\u003e Professional infrared sensor technology provides stable, long-term accuracy without frequent calibration. Simply press all three buttons simultaneously in an open environment to calibrate to outdoor baseline (~500 ppm) within 200 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 Monitoring:\u003c\/strong\u003e Simultaneously displays CO2 concentration (ppm), temperature (°C\/°F selectable), and relative humidity (%RH) on a large LCD screen — no separate thermometer or hygrometer needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Color Smart Visual Alarm:\u003c\/strong\u003e Instant color-coded feedback — Green (400–700 ppm, normal), Yellow (700–1500 ppm, ventilate), Red (1500–5000 ppm, dangerous). Customizable alarm threshold to suit your needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2400mAh Rechargeable Battery:\u003c\/strong\u003e Up to 24 hours of standby operation. Keep it running continuously via Type-C charger — no interruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play, No WiFi Needed:\u003c\/strong\u003e Ready to use right out of the box. No internet, no app, no subscription — just charge, turn on, and start monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Placement:\u003c\/strong\u003e Compact desktop design fits on any desk, nightstand, or bookshelf. Hanging hole on the back for wall mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuzzer Alarm + Low Battery Alert:\u003c\/strong\u003e Audible alarm when CO2 exceeds threshold. Low battery reminder ensures monitoring never stops unexpectedly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Home, bedroom, office, classroom, car, grow tent, wine cellar, RV — anywhere CO2 monitoring matters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e⚠️ CO2 Alert Levels\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e400–700 ppm (Green):\u003c\/strong\u003e Normal — fresh, healthy air quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e700–1500 ppm (Yellow):\u003c\/strong\u003e Warning — ventilation recommended. Open windows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1500–5000 ppm (Red):\u003c\/strong\u003e Dangerous — immediate ventilation required. Evacuate if sustained.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e⚙️ Technical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCO2 Detection Range: 400–5000 ppm (±50 ppm + 5%)\u003c\/li\u003e\n\u003cli\u003eTemperature Range: Selectable °C \/ °F\u003c\/li\u003e\n\u003cli\u003eHumidity Range: %RH\u003c\/li\u003e\n\u003cli\u003eSensor: NDIR CO2 (professional-grade)\u003c\/li\u003e\n\u003cli\u003eBattery: 2400mAh built-in lithium, Type-C charging\u003c\/li\u003e\n\u003cli\u003eAlarm: 3-color visual + buzzer + low battery alert\u003c\/li\u003e\n\u003cli\u003ePlacement: Desktop or wall mount (hanging hole)\u003c\/li\u003e\n\u003cli\u003eConnectivity: None (standalone, no WiFi required)\u003c\/li\u003e\n\u003cli\u003eCertifications: CE \/ RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1× FABISENSE 9C CO2 Detector\u003c\/li\u003e\n\u003cli\u003e1× Type-C Charging Cable\u003c\/li\u003e\n\u003cli\u003e1× User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S61a23a8d31ed46eba16654315a65f070m.png\" alt=\"FABISENSE 9C CO2 Detector\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S881cf37162bd4c7d9d4d2568ddd1cab84.png\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H2a6c619ad815464ba631c44196215aab8.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se580108c32e84d91bacbeef038887cc3h.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H68729fe19cc24b248f6609a7cac4a658V.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf4f8283a46af45b087d4aa858f065b970.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5d376dee4cef447eb5b842bb7c8c819fT.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfb87be0d2f6846d2b7a96b302cbd1fb2p.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H480ddfd4b995453e93aebd6f0dc89221e.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S431e18d2416b44639ffcca551532c54bC.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H4e7efa932d1244a7b81b1da032b50be3o.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8e904b2fe8454154992f080515bdd292v.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hc1f2ba7abd1d45c489b0407f773533af7.jpg\" alt=\"\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2a185e4e596347ce98dec92ef8cf8fdbh.png\" alt=\"\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFABISENSE — Sense the Air. Stay Safe.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fabisense","offers":[{"title":"Default Title","offer_id":47313132650658,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/9959\/2610\/files\/PTH-9C_2022-05-18_10.jpg?v=1780655563","url":"https:\/\/www.fabisense.com\/ja\/products\/fabisense-9c-co2-detector","provider":"Fabisense","version":"1.0","type":"link"}