The Fisher Impulse AQ Limited is a professional-grade metal detector purpose-built for advanced beach, surf, and shallow water hunting. Designed for experienced users seeking deep gold and relics in challenging saltwater or volcanic sand conditions, this machine sets itself apart with specialized Pulse Induction technology and exceptional target separation capabilities. Engineered to perform where most detectors struggle, the Impulse AQ excels in wet salt environments and black sand. Its adjustable pulse delay (7?11.5 ?s) and multitone audio deliver remarkable sensitivity to low-conductivity targets like small gold. Advanced features include iron and ground rejection controls, multiple operating modes (All Metal, Tone, Mute, and Volcanic Sand), and a waterproof 12.5" mono searchcoil for deep detection. The manual settings for ATS, Delay, and Reject offer expert-level tuning for maximizing performance based on your specific hunting ground. Built to withstand harsh beach environments, the Impulse AQ boasts a durable construction, sealed electronics, and a waterproof housing rated to 3 ft. The adjustable shaft and balanced 4.2 lb frame ensure comfort during long sessions, while its rechargeable NiMH battery delivers up to 3.5 hours of operation. With intuitive controls and a factory-tested waterproof system, it?s ready for serious treasure recovery straight out of the box. Purpose: Beach Hunting, Shallow Water Treasure Hunting, Gold Jewelry Detection, Wet Sand Searching Additional Details ------------------------------ Product description: The Fisher Impulse AQ Metal Detector, designed for avid beach hunters, boasts advanced pulse induction tech for exceptional sensitivity, especially for gold targets. Key features include customizable response speed, stable performance across varied beach conditions, iron rejection, EMI interference reduction, adjustable pulse delay, and a lightweight, ergonomic design. With its advanced tech and customizable settings, the Impulse AQ ensures deep detection and accurate target ID in diverse beach environments, making it an ideal tool for both experienced treasure hunters and enthusiasts.