Specification AgeRangeDescription : Adult Brand : VTSYIQI BulletPoint1 : Digital Humidity and temperature usb datalogger GSM data logger was designed to monitor temperature & humidity with capability to send alarming message to phone numbers set up by customers when temperature data is out of pre-definded limits; and will send good message when data is back within pre-defined limits. In addition,customer can get real-time data message by calling phone number in the logger. This series use original sensor is imported from America or Switzerland, has high accuracy and stability. The user can also calibrate the instrument by deviation. BulletPoint2 : Temperature and Relative Humidity Data Logger Message alarm if user-defined max/min values exceed. Obtain real-time data by dialing a user’s phone. BulletPoint3 : Humidity and Temperature Datalogger Digital Humidity Meter Device will send GSM alarm to user’s mobilephone when it’s power off. Built-in sound & Light alarm ,Temp and Humidity Limits Setting; LED Light Flash When Limits are Exceeded. BulletPoint4 : Portable Humidity and Temperature Datalogger External power with 9V battery power supply ensure data integrity. Frequency range of GSM850/900/1800/1900MHz. BulletPoint5 : Digital Temperature data logger monitor Large LCD diaplay temperature enable to store data and time simultaneously. Download collected data through USB interface. Max and Min display function. IncludedComponents : 主机 ItemLength : 0.02 inches ItemName : VTSYIQI Dual Channel Temperature Humidity Logger Monitor with Humidity Accuracy ±5% RH Temperature Measurement Range -40 to +85℃ Temperature Accuracy ±0.5℃ External Sensor ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 15 centimeters ItemTypeKeyword : science-lab-digital-thermometers Manufacturer : VTSYIQI20240904140303VTSYIQI Material : SEE DESCRIPTION MeasurementAccuracy : high accuracy ModelNumber : VTSYIQI20240904140303VTSYIQI NumberOfItems : 1 PartNumber : VTSYIQI20240904140303VTSYIQI PowerSourceType : 有线供电 ProductDescription : VTSYIQI Digital Temperature Humidity Datalogger GSM Data Logger Monitor With -20~+70℃ Temperature Accuracy ±0.5℃ Internal Sensor Two Channel Thermometer Alarming Function CE ISO Standard ProductSiteLaunchDate : 2017-08-15T07:00:00.000Z Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1