Measure the current environment temperature by app. When measuring temperature, must put rtrivr thermometer(R825) inserted into the iPhone or iPads audio jack to measure temperature.
This app can use with iPhone(iPhone 4,iPhone 4s, iPhone 5,iPhone 5c,iPhone 5s, iPhone 6,iPhone 6 plus ) and iPad (iPad Air, iPad Air 2,iPad mini,iPad mini2,iPad mini3 ).