Airport Portable Scanner Features: 1) Operating Frequency: 20 KHz 2) Weight: 272g (including the battery) 3) Size: A) Length: 420mm B) Width: 138mm C) Height: 110mm 4) Handle measurement: 30 x 30mm 5) Regulate the way: Manual 6) Indicator: BZ, vibration motor 7) LED light proves: LED red warning indicator lamp, LED green insufficient indicator lamp, voltage indicator lamp LED battery of power 8) Battery: 9V battery (suitable for working for 40 hours normally) 9) Control: Circulation switch (On, Off, a sound of light or mode of vibration) 10) Uses cycle-switch to switch sound alarm and hidden vibration alarm respectively 11) Highly sensitive, detect ferrous and non-ferrous and stainless steel weapons 12) Sound and light alarm simultaneously 13) Alkaline cell (7V-9V) can work over 40 hours and distance does not change 14) Warn automatically when short of voltage 15) Simple, convenient to use, easy to adjust 16) Detecting distances: A)1/2 pin: 10mm B)Model 64 pistol: 150mm C)6" dagger: 150mm D)8mm (diameter): 40mm E)Aluminum & copper sheet: 10mm F)DIP14 IC (integrate circuit): 5mm

