BT06 Bluetooth Temp and RH Data Logger. Is Bluetooth Low Energy temperature & humidity data logger with the latest Bluetooth 5.0 technology. It can collect temperature & humidity of the surrounding environment. Such data can be recorded as history data. BT06 can store up to 32000 pieces of the temperature & humidity data when the long range mode is enabled, the transmission distance is up to 300 meters and the LCD screen can view the temperature & humidity data in real time. Mobile phone with Bluetooth 4.0 or above can download and install App. It can store and monitor temperature & humidity of the environment comprehensively. Its characteristics are small-sized, low-weighted, easily portable and highly accurate for wide use in cold chain logistics, archives, labs, museums, etc.