Specification Alarm : Alarm BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Testo BulletPoint : Spare particle filter, compact probe; 10 off BulletPoint1 : 【16-in-1 Air Quality Monitor Indoor】Experience the ultimate indoor air quality monitoring with our 16-in-1 Air Quality Monitor, offering real-time detection of 9 key parameters including CO2, PM2.5, PM1.0, PM10, HCHO, TVOC, Temperature, Humidity, AQI, and Time. With 7 distinct AQI alert buzzers, this air quality tester ensures your family breathes with ease BulletPoint10 : 【What You Get & Customer Support】Included in the package: 1 air quality monitor, 1 charging adapter, 1 USB-C cable, and 1 user manual. Our support team is at your service within 24 hours to assist with any queries(Note:Product Dimensions : 2.95 x 5.59 x 7.91 inches; 1.48 Pounds) BulletPoint2 : 【External High-Precision Sensors with 0.001 Accuracy】 Features unique external high-precision sensors that directly sample the air, delivering unparalleled accuracy down to 0.001 units. With more air holes and advanced multi-sensor technology, it detects even the most subtle changes, enabling you to take immediate action and ensure the safety of your space. (Note: Do not touch the external sensors during use, and avoid exposure to perfumes or other strong odors, as these may compromise data accuracy.) BulletPoint3 : 【Real-Time AQI Alert Buzzers】Our air quality monitor provides real-time monitoring and alerts for pollutants like CO2, PM2.5, PM1.0, PM10, HCHO, TVOC, Temperature, Humidity, and AQI, with 7 distinct alert functions. Stay informed with clear alerts and rest easy with a mute button to silence alarms. Your health and comfort are our priority BulletPoint4 : 【Easy Time Adjustment】1.Switch Time Format: Click the “Time button” to toggle between 12/24-hour format. 2.Set Hours: Long press the “Time button” to enter setting mode. Use the “Alarm button” or “Brightness button” to adjust hours. 3.Set Minutes: Click the “Time button” again. Use the “Alarm button” or “Brightness button” to adjust minutes. 4.Confirm: Click the “Time button” to save settings. BulletPoint5 : 【Quick °F/°C Switching】Switch between °F and °C units effortlessly by clicking the “Power button” BulletPoint6 : 【°F/°C Selector & Precision Sensors】Simply click the ‘Power button’ to switch the °F/°C unit. This temperature & humidity sensor features a high accuracy of ±1 to ±3 °F and ±2% to ±3%RH, making it ideal for measuring dynamic temperature and humidity in indoor environments BulletPoint7 : 【Crystal Clear 7-inch Large Display】Enjoy a 7-inch LED display for sharp, clear air quality readings. Provides an instant, comprehensive view of your indoor air without navigating through menus, with three brightness settings for any lighting condition BulletPoint8 : 【Cable-free & Long Battery Life】This portable indoor air quality meter features a 2500mAh battery for up to 8 hours of cordless use, allowing for consistent air quality monitoring throughout your home BulletPoint9 : 【Use Included Charging Cable & Adapter】 For optimal performance, always use the provided USB-C cable and adapter. Fully insert the cable until secure—the front indicator will glow red to confirm normal charging Color : Beige ExternallyAssignedProductIdentifier : 4029547012174 ExternallyAssignedProductIdentifier1 : 760752621570 ExternallyAssignedProductIdentifier2 : 0760752621570 GpsrSafetyAttestation : 1 Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IE_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment IncludedComponents : 1 x air quality monitor, 1 x charging adapter, 1 x USB-C cable, 1 x user manual IncludedComponents1 : Laser PM sensor IncludedComponents2 : NDIR CO2 sensor ItemName : Spare Particle Filter, Compact Probe; 10 Off ItemPackageDimensions_Height : 7.5 centimeters ItemPackageDimensions_Length : 1.1 centimeters ItemPackageDimensions_Width : 7.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : indoor-air-quality-meters Manufacturer : Testo Material : Polypropylene (PP) MeasurementAccuracy : +/-0.5% ModelName : 0554 0040 ModelNumber : Testo 0554 0040 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLayers : 1 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 OperatingHumidity : 0%-99% RH PackageLevel : unit PartNumber : 0554 0040 PowerSourceType : Battery Powered ProductDescription : YNAK 16 in 1 Air Quality Monitor Indoor 9 AQI+7 AQI Alerts Air Quality Meter for CO2, TVOC, PM2.5, PM1.0, PM10, HCHO, Temperature, Humidity, AQI & Time, Air Detector Air Quality Tester for Home White ProductSiteLaunchDate : 2021-06-28T19:50:06.719Z SafetyDataSheetUrl : No Size : One Size Style : Comprehesive SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 10 UnspscCode : 40161505