Features 1、Using high‑quality components, it can carry out a wide range of detection, and it can be detected with simple operation. 2、With start‑up and detection alarm, it can respond to the detection situation in time, and the sound is clear. 3、It is suitable for safety inspections in public places, schools, bars, KTV factories, exhibition venues, stations and wharfs that require general detection sensitivity. 4、Controllable alarm, it will sound when dangerous goods are found, press and hold the alarm control button to pause the sound to avoid noise. 5、Non‑slip handle design, it has an intimate safety rope to prevent hands off, and the protective holster is also anti‑drop. Specification Item Type: Metal Detector Model: GP3003B1 Material: ABS Power Supply: 1x6F22 9V Battery (Battery Not Included) Charging Method: AC 9V/DC 10V Universal Round Hole Charger (Not Included) Purpose: It can be used for metal detection. Power: 270mW Measuring Range: Approx. 30cm / 11.8in Scope of Application: All situations Alarm Mode: Sound and Light, Vibration Transmission Frequency: 22KHz Working Environment: -10℃~50℃ Package List 1 x Metal Detector 1 x Manual 1 x Leather Case