Features1Using highquality components, it can carry out a wide range of detection, and it can be detected with simple operation.2With startup and detection alarm, it can respond to the detection situation in time, and the sound is clear.3It is suitable for safety inspections in public places, schools, bars, KTV factories, exhibition venues, stations and wharfs that require general detection sensitivity.4Controllable alarm, it will sound when dangerous goods are found, press and hold the alarm control button to pause the sound to avoid noise.5Nonslip handle design, it has an intimate safety rope to prevent hands off, and the protective holster is also antidrop.SpecificationItem Type: Metal DetectorModel: GP3003B1Material: ABSPower Supply: 1x6F22 9V Battery (Battery Not Included)Charging Method: AC 9VDC 10V Universal Round Hole Charger (Not Included)Purpose: It can be used for metal detection.Power: 270mWMeasuring Range: Approx. 30cm 11.8inScope of Application: All situationsAlarm Mode: Sound and Light, VibrationTransmission Frequency: 22KHzWorking Environment: -10~50Package List1 x Metal Detector1 x Manual1 x Leather Case