आस-पास के चेतावनी ध्वनि के साथ मैग्नेटोमीटर का उपयोग कर से विद्युत चुम्बकीय फील्ड का पता लगाने
Ampare EMF Detector is A Simple Lightweight Application That Detect Electromagnetic Field From Nearby Magnetic Induce such as Magnets , Iron and etc.
Pro Version Has No Ads and Has Built-In Alert Sound When It Detect Amount of Magnitude Which Causing By Magnets , Iron , and etc are nearby.