Handheld Metal Detector for Security Checking

11 USD

Features:
High sensitivity
Detects pin within 30-60mm
Conveniently and simply to operate
Easily to adjust
When battery voltage drop from 9 to 7V, 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
Sensitivity is adjustable by pressing the sensitivity adjuster
Rechargeable: charge it about 4-6 hours after the battery die
Self-checking: it self-checks when it starts
Using ABS, durable

Applications:
Security check: avoid carrying contraband, such as knives, guns
Factory: avoid valuables losing
Education: avoid cheating, prevent from carrying cheating tools, such as phones, electronic dictionary, when examine

Ultimate sensitivity:
1. 38 pistol: 20cm
2. Little knife: 15cm
3. Blade: 10cm
4. Coin: 8cm

Parameters:
Power supply: 9V double alkaline batteries
Alarm model: audio (vibratory) and light alarm
Specification: 410*86*46mm
Packing: 25 units/carton
Carton size: 565*310*460mm
Gross weight: 12.5kg