This model has obtained the national patent (Patent No:ZL.01310300.8) with functions of open, alarm and voice/light auto-switch. It can be used in public security detection of airport, railway station, dock, prison, custom and frontier defense; quality detection of medicine, food and other commodities; examination of noble metal and detection other important fields, e.g.: gymkhana.
   
    The machine has past the check of product quality in Shanghai supervision and inspection chief station of public security system, Report number: Shanghai public security inspection 033167.
   
    CE, RoHS approved.
   
    Parameter:
   
    Detection Distance:
    Detecting pin: 10-30mm
    Detecting 64-type gun: 120mm
    Detecting 6 inch dagger: 130mm
    Detecting steel ball(dia 20mm): 90mm.(If Max sensitivity is set, it can reach 120mm)
   
    Battery:
    2*1.5V AAA batteries. Can be recharged on the 110V-220V AC, or with a USB jack connected with a computer.
    Charger is optional.
   
    Dimension: 413x143x52(mm)/pc;
   
    Weight: 0.45KG/pc;
   
    Carton: 560x435x330(mm)/carton; 10.5KG/carton;
   
    Color: Black or gray is available.