ITEM NAME:DC 3V-5V 60mm Metal Detector Kit Electronic Kit Non-contact Sensor DIY Kit BX Metal Detector is a high performance metal detector designed for security. 2.Parameter Parameter: Value Name: Metal Detector Operating Voltage: DC 3-5V Operating Current: 40mA Standby Current: 5mA Detection Distance: 60mm Alarm mode: Sound/Light Difficulty: Easy PCB Size: 86*61mm 3.Application 1. Game entertainment 2. Security check 3. Search for metal products 5. Car detection 5. Traffic Statistics 6. Elevator floor control 7. Production equipment position detection 8. Production equipment development and design 9. Electronic Product Design 10. Play equipment development 11. Metal proximity switch 12. Metal detection in human body.Detection Distance: 60mm. Alarm mode: Sound/Light. Traffic Statistics. Electronic Product Design. PCB Size: 86 61mm. Security check.