Features:
1.Metal detector is a high performance metal detector designed for security, working Voltage: DC3-5V, Detecting Distance: <60mm.
2.Simple circuits are easy to assemble and train your skills during assembly. for beginners is really an interesting practice(Board Size:about 8.6*6cm).
3.It can apply to game entertainment, security check, search for metal product, car detection, traffic statistics, elevator floor control, production equipment position detection, production equipment development and design, electronic product design, play equipment development, metal proximity switch, metal detection in human body.
4.Buzzer start to ring and the red light indicator is on when the metal is close to the metal detector.
5.Simple circuits are easy to assemble and train your welding skills during assembly. For welding beginners is really an interesting welding practice.