DescriptionIf you are looking for a professional and affordable metal detector , then your search is over here. That s because our product can meet your need. Adopted of premium plastic material, it is practical and durable for long time use.Features-Color: Black-Material: Plastic-Size: Approx. 39.50X14.00X3.00cm / 15.52X5.50X1.18in -Note: Not Include Battery-Detection Sensitivity: 2.5mm Steel Ball-Power Supply: 9V Battery (6F22ND)-Consumption Power: 220mW-Working Current: <50mA-Operating Temperature: 0-50- Fine workmanship ensure the practicality and durability while using and carrying.- With button operation, simple and convenient, saving the time and effort.-The probe can be rotating 180, suitable for more scene measurement.- Round edges and smooth surface, safe to touch and do not hurt your hands.-The battery cover can be easily opened or closed by pushing in and out.