Portable device used to detect metal objects on a person's body or in bags. These scanners are commonly used in security checkpoints at airports, schools, stadiums, and other places requiring heightened security.
Specification
-power voltage: 9V standard or recharge battery
-Power: 270mW
-Operating frequency: 22KHz
-Operating current: <50mA
-Operating voltage: 7V-9V
-Net weight: 360G