Features: HS18 Waterproof Metal detectors with IP68 rating excels in underwater detection and features ABS build underwater , ideal for beachcombing and riverbeds exploration. Equipped with adjustable sensitivity and reversible shafts, its flexible probes detects coin /jewelry while resisting mineral interferences . User friendly interfaces with visual/sound alerts makes it perfect for entry levels treasure hunters aged 12+ and family outdoor activity . Performs optimally in saltwater beaches, freshing water streams, and muddy terrains during rainfalls essential tool for geocachings activity . Ergonomic LCD displays current goal /ground balance, while the lightweight design ensures 8 hour continuous operation with standard batteries (not included). Specifications: Material: ABS Length: about 43cm/16.93inch Battery: not included Package Includes: 1xMetal detectors note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.