Specification: Item Type: Hand Metal Detector_x000D_Material: ABS_x000D_Operating Frequency: 90KHz_x000D_Sound: 2.3KHz_x000D_Operating Current: 50mA_x000D_Working Voltage: 9V_x000D_Temperature Range: -5-55_x000D_Battery: 9V Battery (Not Included) Features: 1High Sensitivity: Handheld metal detector is highly sensitive and can detect hard to detect metals buried in beaches, caves, grass, etc. 2Widely Applicable: Hand metal finder is widely used, can be used to detect coins, relics, jewelry, gold, silver, etc, a practical helper in the search work. 3Dual Mode: Small metal detector using sound light and vibration light two modes, simple to operate, easy to understand the working status. 4Indicator Light: Metal finder design with visual LED display, power on indication (white LED) and target indicator (green, red LED). 5Sensitivity Adjustment: This metal scanner supports sensitivity adjustment function, can be used for the detection of small targets, precise positioning. PackageList: 1 xHandMetalDetector 1 x Manual