The MD-8 is a high performance handheld metal detector designed to meet 

the exact requirements of the security industry. Typical usage includes body search 

for weapons in crowd control, airport and border security, checking parcels and 

letters for metal objects and anywhere that hidden metal needs to be detected.

Specifications:

Power: 9v(6F22)

Working frequency: 22khz

Working electric current: <50Ma

Working voltage: 7v-9v

Indicator: Visual: Red/Green LED;

Alarm style : sound and vibration

Control: On/Off Switch;

Sensitivity: Switch Sensitivity Adjuster

Detection Distance:

Detecting pin: 10-30mm  

64-type gun: 120mm 

6inch dagger: 130mm

D20mm steel ball :90mm (120mm at max sensitivity)