Security detector for airport, factory, government building, hospital, etc.
When detect metal, the detector has sound and flash alarm
With high sensitivity to detect size of 25 US cents

Turn on detector to ON place; Turn off detector to OFF place.
Built-in buzzer will beep when turn on. 
Move detector probe parallel to object surface. When detect metal, detector will sound, LED light will shine.

Do not forget to power off after use.
Take out battery when no need to test for long time.
Power supply: one 9V 6F22 battery 
Probe size: ∮134mm
Product size: 393x35x23mm
Product weight: about 176g (without battery)
Standard accessories: meter (without battery), battery, manual

Security detector for airport, factory, government building, hospital, etc.
When detect metal, the detector has sound and flash alarm
With high sensitivity to detect size of 25 US cents

Turn on detector to ON place; Turn off detector to OFF place.
Built-in buzzer will beep when turn on. 
Move detector probe parallel to object surface. When detect metal, detector will sound, LED light will shine.

Do not forget to power off after use.
Take out battery when no need to test for long time.
Power supply: one 9V 6F22 battery 
Probe size: ∮134mm
Product size: 393x35x23mm
Product weight: about 176g (without battery)
Standard accessories: meter (without battery), battery, manual