DescriptionPortable handheld detector is an ultra-high-sensitivity metal detector designed for detecting magnetic and non-magnetic metal objects, it can be used to check dangerous items, or other small precious metals that are carried or hidden in packages.Features- Color: Black - Material: Metal - Size: About 35.00X14.00X4.00cm/13.76X5.50X1.57in - It is well-made of premium and sturdy materials, safe and practical for long-lasting using time. - Perfect for finding metal objects and anywhere that hidden metal needs to be detected.- You can also use it to search gold & silver jewelry, coins and other metals in the ground.- Built-in induction coil, it will immediately alarm if metal material is detected in the detection range.- It is simple in design, but very practical in use, which brings great convenience to you.Specification- Detection sensitivity:2.0mm steel ball- Power supply: 9V battery (6F22ND)- Power consumption: 220mW- Operating current: less than 50mA- Operating temperature: -10-50