3.rechargable and light
HAND HELD METAL DETECTOR MD-3003B1
- High sensitivity. Detects a pin within 30mmï¿½60mm.
- Conveniently and simply to operate. Easily to adjust.
- When battery voltage drop from 9V to 7V, the detecting
distance remain unchanged.
- Energy smart: it can work 40 hours continuously.
- Except the light alarm, the audible alarm and the vibratory
alarm can be chosen.
- When the battery nearly dies, the audible alarm or
vibratory alarm should be a warning.
- Turn on (off) the detector, it will give you an audible
alarm or a vibratory alarm.
- There are also two sensitivities, high and low, to select.
- Rechargeable:charge it about 4-6 hours after the battery die
- Self-checking: it self-checks when it starts
- Using ABS, durable
Security check: Avoid carrying contraband, such
as knives, guns, etc.
Factory: Avoid valuables losing
Education: Avoid cheating, prevent from
carrying cheating tools, such as phones, electronic dictionary, etc,
1. 38 pistol: 20cm
2. Little knife: 15cm
3. Blade: 10cm
Power supply: 9V double alkaline batteries
Alarm model: Audio (vibratory) and light alarm