Digital Bluetooth Hygrometer Thermometer, Refrigerator Thermometer with Free APP

Battery Description: 3 Aaa Batteries Mounting Type: Wall Mount Operating Humidity: 0~90%rh Upper Temperature Range: 70 Degrees Celsius Temperature Accuracy: 0.5 Degrees Celsius Item Dimensions W X H: 4.6"w X 3.8"h Item Length: 4.7 Inches Included Components: Elitech 1pack Ipt-100s , With Aaa Battery*3, External Sensor*1 Item Height: 3.8 Inches Product Dimensions: 4.6"w X 3.8"h Number Of Items: 1 Dual High-Precision Sensors: Equipped with both internal and external temperature and humidity sensors, offering a temperature resolution of 0.1 for accurate monitoring. The internal sensor is ideal for stable indoor environments , while the external sensor is designed for scenarios with rapid temperature changes, such as refrigerators and storage cabinets , ensuring precise monitoring in various conditions. Dual Data Recording Modes: Supports both online recording via APP and offline recording on the device. The device can store up to 5,000 data sets locally, with a default recording interval of 30 minutes, ensuring over 100 days of data retention. The recording interval can be adjusted flexibly to meet different needs. Convenient Data Review: By pressing the temperature review button, you can quickly access historical data from the past 2/4/6/8/10/12 hours. Data can also be viewed in real-time via the APP, making it easy to monitor temperature changes at any time. Smart Data Analysis and Export: The APP allows you to view temperature change curves, maximum and minimum values, and