Bluetooth Temp Data Logger -BT05 Andriod & IOS APP Support One button operation, easy to use Bluetooth 4.0 technology and Nordic N51822 chip Small-sized, low-weighted, easily portable Features: * High accuracy and stability * Bluetooth 4.0 * Long distance wireless transfer * Built-in highly sensitive temperature sensor * Real-time display temperature * It can store 12000 pieces of temperature data * PDF report can be sent to specified mailbox * LED light indicates the working status * Can choose time to query data, every time query of data, the stored data can be saved in history * Can set normal storage temperature data interval and alarm storage temperature and humidity data interval