High Sensitive Body Scanner Hand Wand Metal Detector With LED / Vibration Alarm

Description:

1. Working frequency:About 20 KHz
2. Alarms:sound (or vibration) and light
3. Power supply:Standard 6F22/15F8H 9V battery or rechargeable battery(optional)
4. Energy smart: can work 40 hours continuously
5. Except the light alarm, audible alarm and the vibratory alarm can be chosen
6. When the battery nearly dies, audible alarm or vibratory alarm should be a warning
7. Turn on (off) the detector, it will give you an audible alarm or a vibratory alarm
8. There are also two sensitivities, high and low, to select
9. Rechargeable:charge it about 4-6 hours after the battery die
10. Self-checking: it self-checks when it starts
11. Using ABS, durable

Specifications:

Applications:

Security check: avoid carrying contraband, such as knives, guns and more

Factory: avoid valuables losing

Education: avoid cheating, prevent from carrying cheating tools, such as phones,  electronic Dictionary and more when examine

Ultimate sensitivity:

38 pistol: 20cm

Little knife: 15cm

Blade: 10cm

Coin: 8cm