Quest Air MD is an app that connects Quest Air metal detector and smartphones thru Bluetooth technology.Quest Air Metal Detector is a modern concept of metal detecting technology. The application of state-of-the-art hardware and software unleashes the way to the features unimagined before. Think of in-app upgradable performance, ability to add new functions by simply purchasing an app add-on and interface improvements of your existing device.Relying on 19 years of the experience in treasure hunting, we successfully tested the prototypes on a global market of metal detecting hobby groups. Our device turns your mobile phone into an affordable and professional metal detector.App features: * Turn your phone into professional metal detector * Additional display embedded in coil (check current battery charge instantly) * Highlight of search zone * Discrimination * Pin-pointer mode * Ground balance (manual and auto) * Android and iOS compatible * Ground balance auto adjustment with respect to temperature * Power on with magnet keychain (Hall sensor enabled coil) * Modular architecture * Phone app has comprehensive advantages for data processing and displaying* Low price (no need for electronic control block)* Compact design: all electronics is in waterproof coil* Easy to start: user-friendly interface; basic and advanced modes* Visibility range is the same as for professional detectorsDevice technical specifications: * Battery life: up to 10 h * Frequency: 7.5 kHz * Metal detector type: IB VLF * Coil: smart DD-coil, 9x5" * 12" coin detection depth * Standard USB charger * IP 65 ratedYou can find out more information about the device on our website: https://questmetaldetectors.comFind your treasure with us!Your QUEST team.