Technical Specifications
Power Voltage:     9V(6F22) standard or rechargeable battery
Power        :      270mW
Operate Frequency:   22KHz
Operate Current: :    < 50mA
Operating Voltage:   7V-9V
Operating temperature: -50°C to +55 °C
Net Weight :         409g
Dimension:          41(L) X 8.5(W) X 4.5(H)cm
Indicator: Visual: Red / Green LED
Detecting way : Speaker or Earphone;(Earphone not included) , vibration
Control: On/Off Switch; Low sensitivity Switch Sensitivity Adjuster

Performance: The sensitivity of the detector is determined primarily by the size, shape and composition of the object to be detected.

Maximum detection range:
Object                 low sensitivity         optimum sensitivity
38 caliber hand gun     15cm                 20cm
pen knife:              10cm,                15cm
Razor blade:            5cm                 10cm

Export Packing:  25 Pieces Per Carton 0.089CBM N.W 10.3KG ;G.W 16.5KG
Attachment for free: Holster