Features The metal detector also offers underwater search capabilities up to 35m/114.8ft with its submersible waterproof case. Professional wrist strap and additional lanyard, easy to carry, lightweight and easy to move. The ribbed and ergonomic body of the detector offers hunters stability and comfort during detection. Metal detector designed to realize the conversion between three modes: vibration mode, sound mode, vibration and sound mode. It is very suitable for detecting gold and silver in fish ponds, rivers and deep seas, and also suitable for safety inspections. Specification: Item Type: Metal Detector Material: ABS Colour: as shown in the picture. Model: HS-07 Waterproof Detection Disc Diameter: 12cm/4.7inch Battery: 9V 6F22 x 1 (not included) Application: underwater treasure hunt, public security detective Tuning: Auto Detection mode: sound and vibration (default), sound, vibration Control method: power switch Detection range: 0-40 cm/0.0-15.7 inches. Package List: 1 x Metal Detector (Battery not included) 1 x Lanyard 1 x Wrist Strap 1 x Instruction Manual Package List 1 x Metal Detector (Battery Not Included) 1 x Lanyard 1 x Wrist Strap 1 x Instruction Manual