Manufacturer Aquascan Quick Look One of the most powerful underwater detectors ever, the the AQ1B can detect objects up to a range of 10ft depending on the coil used. SKU 1323-AQ1020 Manufacturer SKU AQ.1.020/2 US Charger Product Type Metal Detectors Product Dimensions 12.50×12.00×12.00 Factory Included Accessories 8″ Search Coil, Submersible Bone Phone, Waist Belt, Charger Warranty Yes Detector Type Beach & Underwater Interchangeable Search Coil Yes Technology Pulse Arm Rest No Adjustable Shaft No Assembled Length Max (in) 12″ Handle Apps None GPS No Audio Tones No Depth Indication No Control Box Mount Convertible Frequencies Pulse Induction (PI) Programmable Target Id No Target Id No Threshold Adjustable Discrimination Fixed Pinpoint Mode No Vibration Mode No Search Modes 1 Search Mode Types Power / Reject Control Search Flashlight No Display Type N/A Backlit Display No Volume Control No Headphone Jack Underwater Headphones Available, Adapter for Land Use Available Bluetooth Compatible No Interchangeable Headphones Yes Battery Type Internal Rechargeable NiMH Battery Pack Battery Quantity 1 Battery Life (hr) 5 to 10 Hours Waterproof Yes, Submersible up to 100 Meters/328 Feet Rechargeable System No Exclusive Features Completely Modular System with many accessories available!