Features [Accurate Measurements] Temperature range of 0℃ to 60℃ and humidity range of 0%RH to 99%RH, with ±1℃ temperature accuracy and ±5%RH humidity accuracy. [Adjustable Modes] Featuring multiple temperature modes that can be adjusted, this device is suitable for various scenarios and environments. [Security Design] This temperature humidity detector features tamper resistant design, ensuring the safety and reliability in home use. [Long Battery Life] With low power consumption, this wireless temperature humidity sensor ensures a long battery life, providing extended usage. [Low Voltage Prompt] With low voltage monitoring prompt function, this temperature humidity sensor alerts users when the battery is running low, allowing for uninterrupted monitoring. Specification: Item Type: Smart WiFi Thermometer Hygrometer Material: ABS USB Cable: Approx. 1.5m / 4.92ft USB Input: DC 5V 1A LED Indicator Light: Blue Temperature Measurement Range: 0℃-60℃ Humidity Measurement Range: 0%RH-99%RH Temperature Measurement Accuracy: ±1℃ Humidity Measurement Accuracy: ±5%RH Color: Black How to Use: Take out the product installation manual and operate. PackageList: 1 x Smart WiFi Thermometer Hygrometer 1 x User Manual Package List 1 x Smart WiFi Thermometer Hygrometer 1 x User Manual