nokta makro invenio standard pack smart metal detector and 3d imaging system nokta makro nokta makro invenio standard pack smart metal detector and 3d imaging system with system box, shaft & handle, iptu sensor, waterproof dd search coil 40x35 cm (inv40) & cover, waterproof dd search coil 28x18 cm (inv28) & cover, system box carrying case, carrying belt, koss headphones (6.3 mm jack), ac charger, car charger, usb cable, protective covers, iptu sensor carrying bag, coil mounting hardware, screen sunshade, and waterproof (ip67) hard transport case. invenio represents one of the most dramatic advances in metal detection technology since conventional metal detectors first appeared on the market in the 1930s. while many new features and advancements in technology have been introduced since, invenio provides the first major step forward in meeting consumer expectations.