PD140 High Sensitivity Handheld Metal Detector Station Metro Airport Safety Check Portable Tester

Features:
Ergonomically designed, easy to use, no need to adjust.
High sensitivity, strong shock resistance, low power consumption, firm and practical.
Light weight, large detection probe area, fast detection speed.
With three indicators: when the battery is low, the yellow indicator flashes; when the green light is on, it indicates standby use; when the red light is on, it indicates the alarm indication.
Two alarm modes are available: LED light and audible alarm, vibration alarm.
The detection distance will not be changed when the battery voltage drops from 9V to about 7V.
There are three sensitivity options: high, medium and low, suitable for different places.
It can be used for safety check of airports, stations and factories; mobile phone and electronic products inspection in schools, examination rooms and conference rooms; steel bars and wall inspections at construction sites; precious metal processing, gold and silver jewelry warehouse inspection.