Peace, mercy, and blessings of God be upon you. I have sugar sensors available. The name of the sensors is: Dexcom One Plus. The working period for one sensor is: 10 days. The available quantity is: 9 sensors. There is an application that works with the NFC feature on the mobile phone. And the name of the application is: Dexcom ONE+. The price for one sensor is 80 riyals.