Practical Portable Waterproof Metal Detector

Product information:

Product parameters:
1. The detection distance of one dollar coin is ≥ 3.5-4cm.
2. Detection mode: vibration and sound alarm
2. Power supply: 9V battery (not included in the factory)
3. Working environment: temperature - 20 ℃ - 60 ℃
4. Overall dimension: 22.9 * 3.8 * 2.2cm
5. Single package size: 25.5 * 6 * 6cm

Application:
A. Safety inspection: security, courts, prisons, gymnasiums and other places where knives should be prevented.
B. Factory anti-theft: chemical, mining, electronics, hardware, plastic products and other places need anti-theft.
C. Education system: used for college entrance examination, high school entrance examination, civil service examination tools (mobile phone, electronic dictionary, MP3, MP4, U disk, etc.).