Magchecks Explosive Applications Include:

Magchecks App– An Android App that uses NFC technology and specialized NFC tags to meet your Federal Explosive Act requirements when storing explosives overnight in a licensed magazine.

NFC – Most ( but not all ) Android OS phone are equipped with NFC. NFC stands for “Near Field Communication” and does pretty well what the name implies. You can check if your phone is compatible by reviewing the connections options and verifying that NFC( or sometimes in the payments area) is available.
If your looking for a device, please check https://www.unitag.io/nfc/is-my-phone-compatible-with-nfc

Remote IDS ( Intrusion Detection Systems)- Rugged remote monitoring of your valuable assets almost anywhere in the world. Know who & when opened the door and be alerted of unauthorized activity by SMS or email.