{"product_id":"upgraded-4-in-1-air-quality-monitor-portable-hcho-tvoc-detector-temp-humidity-large-lcd-screen-audible-alarm-96-record-memory-auto-shutdown-for-home-office-and-rv","title":"Upgraded 4-in-1 Air Quality Monitor – Portable HCHO \u0026 TVOC Detector | Temp\/Humidity, Large LCD Screen, Audible Alarm, 96-Record Memory \u0026 Auto Shutdown for Home, Office, and RV","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【Professional 4-in-1 Detection – HCHO, TVOC, Temp \u0026amp; Humidity】Equipped with a premium thick-film semiconductor sensor, this monitor delivers rapid and reliable readings for formaldehyde (HCHO: 0–3.333 mg\/m³) and TVOC (0–9.999 mg\/m³), plus simultaneous temperature (°C\/°F) and humidity display. Sensitive to carbon monoxide, carbon dioxide, alcohol, and odors, it provides comprehensive protection against invisible indoor threats—perfect for homes, nurseries, offices, RVs, and basements\u003c\/li\u003e\n\u003cli\u003e【Intelligent 4-Level Alarm \u0026amp; Instant Health Index】No more guessing! The large backlit LCD clearly shows real-time readings alongside a 4-tier air quality indicator (Good \/ Slight \/ Unhealthy \/ Hazardous) based on WHO-recommended thresholds. The smart audible buzzer (with mute option) alerts you when HCHO exceeds 0.08 mg\/m³ or TVOC passes 0.262 mg\/m³, so you know exactly when to open windows or step out for fresh air\u003c\/li\u003e\n\u003cli\u003e【All-Day Battery Life \u0026amp; Flexible Auto-Off】Powered by a high-capacity 2000mAh lithium battery, this device runs up to 15 hours continuously with the backlight on, or 24 hours with backlight off—ideal for overnight monitoring. The auto-shutdown feature (default: 30-min screen-off, 2-hr full power-off) can be easily disabled via the menu for non-stop tracking. USB-C charging and a low-battery indicator keep you informed at all times\u003c\/li\u003e\n\u003cli\u003e【Smart Data Logging \u0026amp; Effortless Operation】Automatically records 96 data sets (one every 15 minutes) covering a full 24-hour cycle, with circular storage for long-term trend tracking. One-touch buttons let you recall max values, switch between °C\/°F, and toggle backlight. Simply long-press (1s) to power on\/off. Note: a 200-second warm-up in clean air is required for sensor calibration—perfect for quick, hassle-free daily use\u003c\/li\u003e\n\u003cli\u003e【Complete Kit \u0026amp; Reliable Support】Comes ready to use out of the box: monitor ×1, USB-C charging cable ×1, screwdriver ×1, and detailed manual ×1. (Note: storage bag not included.) Compact and lightweight (5.04 × 3.5 × 1.46 in, 0.5 lb), it fits anywhere. Backed by a 2-year quality warranty and responsive lifetime tech support—buy with confidence for your family’s health\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GOLDCHAMP","offers":[{"title":"Default Title","offer_id":40836195352705,"sku":"B0BHVGSF46","price":43.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/5754\/0993\/files\/41-3aQCcSRL.jpg?v=1784931124","url":"https:\/\/garagenest.us\/products\/upgraded-4-in-1-air-quality-monitor-portable-hcho-tvoc-detector-temp-humidity-large-lcd-screen-audible-alarm-96-record-memory-auto-shutdown-for-home-office-and-rv","provider":"GarageNest","version":"1.0","type":"link"}