High sensitivity. Detects a pin within 30mm 60mm.
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.
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, when examine.
1. 38 pistol: 20cm
2. Little knife: 15cm
3. Blade: 10cm
Power supply: 9V double alkaline batteries
Alarm model: Audio (vibratory) and light alarm