إِنَّ عِبَادِى لَيْسَ لَكَ عَلَيْهِمْ سُلْطَـٰنٌ إِلَّا مَنِ ٱتَّبَعَكَ مِنَ ٱلْغَاوِينَ ٤٢
Indeed, My servants - no authority will you have over them, except those who follow you of the deviators.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.