Hand Held Metel Detector Industrial Metal Detectors Sensitive Inspection Tester Security Checks

Product Description: . Electronic detection inspection at airports, railway stations and wharfs;. Security inspection of customs, public securities, frontier defense and safeguard authorities;. Quality inspection of medicine and food commercial systems;. Security inspection of important sites and playgrounds;. Noble metal detection, such as gold or silver jewelry manufacturing plants..Simple and convenient to use, no adjustment is required;.The detection distance will not be changed when the battery voltage drops from 9V to about 7V;. Low power consumption, can work for 40 hours continuously;. There is automatic and continues alarm when the battery is used up;.Switch on/off audio prompt function;.With external rechargeable socket hole;.Has audio, light and vibration handoff switchInstall and replace battery:1. The battery lid can be opened by pushing backward with thumb at the concave groove.2. Install the 6F22(9V) battery according to the anode and cathode signs on the battery lid.3. Cover with the battery lid and push forward firmly.4. Please note battery is not supplied, it can be ordered separately along with separate charger.Package List:1 x Metal Detectors