handhold Metal Detector for security check
Character
1\Detect distance won't change even the voltage drop from 9V to 7V,
2\Can Continue work more than 40h
3\It will warning when the battery use out soon
4\May use the external power supply to charge it
5\Can cut from Sound and Vibration function
6\Can replace the rechargeable battery
Metal Detector
1, battery 9V reduce to around 7V,but detection range do not change
2, it can save electricity, and continuously working reach up to more than 40 hours
3, when the battery is almostly used up, will make a alarm voice automatically
4, Can use external power for charging
5, have acousto-optic and vibration function, and can be mutual changing-over
6, the battery can be changed
7, size: 410*85*45mm
Detection Range
1/2 pin: 30-60mm
64 type gun: 150mm
six inches dagger: 160mm
20 mm diameter of steel ball: 90mm
){kind=link}