High quality : Buzzer sounds crisp and sonority, and the detection area is large, and the response is fast
Easy to use : It can be freely switched between sound alarm and vibration alarm
Suitable for use : In airports, customs, docks, banks, public buildings, prisons, stadiums, hospitals, schools and other places
Lightweight and portable : Light weight, easy to carry out to detect all kinds of metal objects
Fine workmanship : Made of high quality ABS material, long service life, can be used for a long time