Enable the range mode, the transmission distance is up to 300 meters; Temperature and humidity alarm range can be configured; History report can be sent to the specified email; By pairing the Bluetooth printer to print the data report; OTA version can be updated. 1. High precision and stability. 2. Bluetooth 5.0 3. Long distance wireless transfer You can download and install the app on a mobile phone with Bluetooth 4.0 or higher. It can comprehensively store and control the temperature and humidity of the environment. It is characterized by its small size, low weight, easy transport and high precision for wide use in cold chain logistics, archives, laboratories, museums, etc. -BT06 is an energy-efficient Bluetooth temperature and humidity data logger with the latest Bluetooth 5.0 technology. It can collect temperature and humidity data from the surrounding environment. This data can be recorded as historical data. BT06 can store up to 32,000 temperature and humidity data. When the range mode, the transmission distance is up to 300 meters and the LCD screen can view the temperature and humidity data in real time. 4. Built-in high sensitivity temperature and humidity sensor, Weight: 0.10802650838 Pounds, Manufacturer: Rtxbvg