Portable Handheld Metal Detector Sound Alarm Vibration Security Instrument Airport Detector hotel Security Tool

  1. Things to note: 1. Don't forget to turn off the power after use. 2. The battery should be removed if it is not used for a long time to avoid battery leakage and serious damage to the detector. When the battery power is low, please replace it in time. Replace the battery or use it after charging to avoid false alarms. 3. No alarm will occur when the probe is fixed against a metal object. It will only sound or vibrate when it sweeps over a metal object. 4. When charging, please turn off the power switch 8). 5. Charger voltage: AC 9V, DC 10V. 6. Please use rechargeable batteries when charging. It is strictly prohibited to charge disposable batteries. Power supply: 9V standard battery or rechargeable battery. Power consumption: 270mW. Working frequency 22KHZ. Standby current: Working voltage: DC 7~12V. Working temperature: 10°C 65°C. Size: 41(L 8.5(W 4.5(H)cm. 1. Product attributes. Name: Metal Detector. Working power supply: 9(V). Alarm mode: dual modes of sound and light alarm and vib
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