Functions:
    ● Calibrating automatically after turn-on
    ● Kinds of detect mode selecting function (detecting studs, ceiling joists, live AC wire and metal)
    ● Reminding function (live AC wire)
    ● Sound light indicates detecting result
    ● Accurately marking of object's position
    ● Easy to operate and carry
    ● Detection capability:
                 Ferromagnetic metal tube: 38mm (1 1/2 inch)
             Non-ferromagnetic metal tube: 19mm (3/4 inch)
                                     Wood: 19mm (3/4 inch)
                             AC live line: 50mm (2 inches)
Application:
    ● Indoor decoration or construction
    ● Home appliances (such as air conditioners) installation
    ● Structure detecting for wood furniture