Security Inspection: Prevent taking contraband, such as: knife, gun and so on.
Factory: Prevent the loss of valued objects.
Education area: Prevent taking cheat-tool, such as telephone, earphone, electronic dictionary, and so on.
Features
• Digital design, strong anti-interference ability.
• Adjustable sensitivity with high, medium and low.
• Simple operation, easy to use and convenient.
• High sensitivity to all metals.
• Two alarm modes of vibration and sound.
• Uses AA battery type which is easily available, and can work continuously for more than 70 hours.
• Charging, low battery prompt.
• Ni-MH Battery and DC charger (Optional)
