3pcs DIY Simple Metal Locator DC 3V-5V Electronic Metal Sensor Module Kit

Description Supply voltage 3 5VDimensions 66 x 61MMMaximum detection range 5CMThe new board simple kit with 1 6mm double sided fiberglass board doUses games and entertainment security checks searches the body of metal products including cell phones etc according to the production principle also can be designed according to the principles of this package produce cars detection traffic statistics elevator floor control production equipment position detection production equipment design electronic product design development of amusement equipment metal proximity switches Package included 3 x DIY Simple Metal Kit