•【Smart Bluetooth-compatible Connectivity】Equipped with Bluetooth-compatible 5.0 technology for seamless connection and data transmission to your smart devices. •【Accurate Temperature and Humidity Monitoring】Precise sensors provide real-time temperature and humidity readings for optimal environmental control. •【Compact and Versatile Design】With a sleek 43*43*10 mm size,this device fits perfectly in any room or space. •【Wide Operating Range】Functions effectively in temperatures from-10℃ to 40℃ and humidity levels between 10% to 90% RH. •【Magnetic Attachment】No need for screws or complicated mounting. This device features a strong built-in magnet,allowing it to attach effortlessly to refrigerators,metal shelves,or any magnetic surface. Specifications: •Power mode: CR2032 battery (included) •Rated Voltage: 3V •Operating Temperature:-10 to 40℃ •Working humidity: 10%-90% RH •Product Size: 43*43*10mm Package included: •1 x Sensor •1 x English Instruction Manual