This is a kind of small Hand-Held Metal Detector, which is a special machine to security inspection. This machine is convenient to use, adjustable controller not needed, quickly reaction when detecting metals, and sound and light simultaneous alarming. It would sound clearly in low frequency when detecting small metal, and in high frequency when detecting big metal.
Power: 9V battery
Working environment: 50kHz± 10%
-64 model handgun: 150mm
-6 inches knife: 180mm
-Diameter 20mm Steel ball: 100mm
-US 25cent≥ 5cm
-Red, green flashing LED/Sound alarm.
-Different metal sizes cause different alarm tune.
-It has earphone function.
Outer Size:415 x 90 x 35mm
Handheld Metal Detector