High-precision 25 cm metal detector with adjustable height, no batteries required, waterproof search coil for professional metal detector use, suitable for children and adults.

Two operating modes: All-metal mode, Identification mode Volume control: Adjusts the volume of the speakers and headphones Headphone port: Connects to headphones (not included) Pointer display: The pointer oscillates when metal is found Waterproof search coil: The metal detector can be used in shallow water Adjustable shaft: Adjusts the length of the metal detector Specifications: Power supply: 2 x 9V (6F22) (batteries not included) Frequency: 5.0 kHz Current: Static: 10 mA Maximum: 70 mA Voltage: 7.2–9.6 V Sensitivity: 0.25 £ (130 mm) Display Mode: Mechanical Pointer Audible Mode Telescopic Length: 78.7–107.6 cm Detection Coil Diameter: 16.5 cm Various types of metals can be identified, such as coins, artifacts, jewelry, gold, copper, silver, etc. It can mask some low-grade metals that you don't want to detect and distinguish the high-grade metals that you do want to detect. Perfect for adventures at the beach, in the garden, in the forest, in meadows, or in the mountains, as well as for underwater exploration in search of treasure in rivers or oceans. When a metal is detected, the device emits a beep to alert people to the presence of metal nearby. The closer the coil is to the target metal, the stronger the signal emitted by the instrument and the further the needle moves to the right.