Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : SONOFF BulletPoint1 : ♥♥♥Note: SNZB-02 needs to be used with Zigbee Hub BulletPoint2 : 【Real-time Temperature & Humidity Feedback】SONOFF SNZB-02 is a ZigBee temperature and humidity sensor that can seamlessly work with SONOFF ZigBee Bridge to track the temperature and humidity change in your home, which all real-time readings can be checked on eWeLink APP BulletPoint3 : 【Works with Alexa】If your Amazon Alexa hub Built-in Zigbee smart home hub, such as Echo (4th generation) and Echo Studio, SNZB-02 can be directly connected to alexa without other zigbee hub. Alexa APP can only display temperature but not humidity BulletPoint4 : 【Smart Scene To Trigger Devices or Alerts 】You can set a condition in the smart scene that is the fan is turn on/off when the temperature reaches the limit value, or the dehumidifier in your room starts working once the humidity is over higher. You can set a smart scene to trigger alerts through events like high/low temperature, high/low humidity conditions and more BulletPoint5 : 【Sharing Control】Simply share the sensor to your family on EweLink APP and they can directly check this temperature and humidity on their mobile phones without pairing it BulletPoint6 : 【Simple Design & Easy Installation】It's a battery-operated sensor with low-battery notification on your mobile, adopts 3M adhesives on the bottom to easily install it in any corner of your house Color : Meter Bluetooth ExternallyAssignedProductIdentifier1 : 860038001772 ExternallyAssignedProductIdentifier2 : 0860038001772 Hazmat1 : LITHIUM METAL BATTERIES PACKED WITH EQUIPMENT Hazmat10 : CN_SmallLithiumMetalBatteryWithEquipment Hazmat11 : DE_SmallLithiumMetalBatteryWithEquipment Hazmat12 : EG_SmallLithiumMetalBatteryWithEquipment Hazmat13 : ES_SmallLithiumMetalBatteryWithEquipment Hazmat14 : FR_SmallLithiumMetalBatteryWithEquipment Hazmat15 : GB_SmallLithiumMetalBatteryWithEquipment Hazmat16 : IN_SmallLithiumMetalBatteryWithEquipment Hazmat17 : IT_SmallLithiumMetalBatteryWithEquipment Hazmat18 : JP_SmallLithiumMetalBatteryWithEquipment Hazmat19 : MX_SmallLithiumMetalBatteryWithEquipment Hazmat2 : UN3091 Hazmat20 : NL_SmallLithiumMetalBatteryWithEquipment Hazmat21 : PL_SmallLithiumMetalBatteryWithEquipment Hazmat22 : SA_SmallLithiumMetalBatteryWithEquipment Hazmat23 : SE_SmallLithiumMetalBatteryWithEquipment Hazmat24 : SG_SmallLithiumMetalBatteryWithEquipment Hazmat25 : TR_SmallLithiumMetalBatteryWithEquipment Hazmat26 : US_SmallLithiumMetalBatteryWithEquipment Hazmat27 : ZA_SmallLithiumMetalBatteryWithEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumMetalBatteryWithEquipment Hazmat6 : AU_SmallLithiumMetalBatteryWithEquipment Hazmat7 : BE_SmallLithiumMetalBatteryWithEquipment Hazmat8 : BR_SmallLithiumMetalBatteryWithEquipment Hazmat9 : CA_SmallLithiumMetalBatteryWithEquipment IncludedComponents : SNZB-02 ItemDisplayWeight : 15.5 grams ItemName : SONOFF SNZB-02 ZigBee Indoor Temperature and Humidity Sensor for Checking the Room Climate, Indoor Thermometer Hygrometer with Alert, Compatible with Alexa Google Home, ZigBee 3.0 Bridge Required ItemPackageDimensions_Height : 5.08 centimeters ItemPackageDimensions_Length : 1.778 centimeters ItemPackageDimensions_Width : 4.572 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : indoor-thermometers LowerTemperatureRating : -4 degrees_fahrenheit Manufacturer : SONOFF Material : Plastic MeasurementAccuracy : ±0.2°C/±0.4°F ModelName : SNZB-02 ModelNumber : SNZB-02 MountingType : App MountingType1 : Surface Mount MountingType2 : Wall Mount NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 2 NumberOfLithiumMetalCells : 1 OperatingHumidity : 0-99% PackageLevel : unit PartNumber : SNZB-02 ProductDescription : SONOFF Zigbee Indoor Temperature and Humidity Sensor SONOFF Zigbee Thermometer Hygrometer ProductSiteLaunchDate : 2020-06-18T08:29:03.367Z Size : SNZB-02 1Pack Style : Meter SupplierDeclaredDgHzRegulation : not_applicable TemperatureAccuracy : 0.001 degrees_fahrenheit UnitCount : 1 UpperTemperatureRating : 176 degrees_fahrenheit Voltage : 1.5 volts