High sensitivity. Detects a pin within 30mm—60mm.
Conveniently and simply to operate. Easily to adjust.
When battery voltage drop from 9V to 7V, the detecting distance remain unchanged.
Energy smart: it can work 40 hours continuously.
Except the light alarm, the audible alarm and the vibratory alarm can be chosen.
When the battery nearly dies, the audible alarm or vibratory alarm should be a warning.
Turn on (off) the detector, it will give you an audible alarm or a vibratory alarm.
There are also two sensitivities, high and low, to select.
Rechargeable:charge it about 4-6 hours after the battery die
Self-checking: it self-checks when it starts
Using ABS, durablea

Power     9V(6F22)
Operate Frequency     22KHz
Operate Current     < 50mA
Operate Voltage     7V-9V
Indicator     Visual: Red / Green LED Sound: Speaker or Earphone;(Earphone not included)
Control     On/Off Switch; Low sensitivity Switch Sensitivity Adjuster
High Sensitivity     15mm at Pin; 45mm at USD 25 Cent
Low Sensitivity     Detector only respond to bigger metal
objects such as a hand gun, knife, etc.
Export Packing     25pcs/ctn
size: 450*270*525mm
0.5kg/pc;12kg/ctn
Dimension of Unit     41(L) X 8.5(W) X 4.5(H)cm
Weight of Unit     409G
Color     Black
Attachment for free     Holster
Attachment for order     Rechargeable battery