{"product_id":"tc-120-waterproof-diving-pinpointer-pulse-induction-metal-detector","title":"TC-120 Waterproof Diving Pinpointer Pulse Induction Metal Detector","description":"\n\u003ch2\u003eTC-120 Waterproof Handheld Pinpointer Metal Detector\u003c\/h2\u003e\n\u003cp\u003eTake your treasure hunting to the next level — on land or underwater — with the \u003cstrong\u003eTC-120 Pulse Induction Pinpointer Metal Detector\u003c\/strong\u003e. Designed for divers, beachcombers, and serious hobbyists alike, this compact handheld device quickly and accurately locates both ferrous and non-ferrous metal objects with triple-alert feedback: audio buzzer, vibration, and LED indicator. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the TC-120?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiving-Grade Waterproof\u003c\/strong\u003e — Built to perform reliably even fully submerged, making it ideal for underwater treasure hunts and beach searches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulse Induction Technology\u003c\/strong\u003e — Operating at 3.2 kHz, this advanced working method cuts through mineralized soil and saltwater interference for accurate target detection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple Alert System\u003c\/strong\u003e — Detects metal via simultaneous audio buzz, vibration, and LED flash. Vibration intensity increases as you get closer to the target for precise pinpointing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4.2-Inch Detection Coil\u003c\/strong\u003e — Sensitive enough to detect small metal objects like coins, jewelry, and relics buried in tight spots.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In LED Flashlight\u003c\/strong\u003e — Illuminate dark crevices, murky water, or low-light environments so you never miss a find.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Sensitivity Modes\u003c\/strong\u003e — Easily cycle through low, medium, and high settings for buzzer, vibration, and voice alerts independently to suit your environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto \u0026amp; Manual Retuning\u003c\/strong\u003e — Quick-reset function eliminates false signals caused by heavily mineralized ground, restoring detection balance instantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Battery Life\u003c\/strong\u003e — Up to 20 hours of operation on a single standard 9V alkaline or rechargeable battery (not included).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact\u003c\/strong\u003e — Weighing just 280 g (10.5 oz) with dimensions of 34.6 × 9.3 × 11.5 cm, it's easy to carry anywhere adventure takes you.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTC-120\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePulse Induction\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTuning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto or Manual (Retuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAudio \/ Vibration \/ LED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5°F to 158°F (-15°C to +70°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoil Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e280 g \/ 10.5 oz (battery not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34.6 × 9.3 × 11.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V (6F22) Alkaline or Rechargeable (NOT included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 20 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower On\/Off:\u003c\/strong\u003e Press and hold the on\/off button for 3 seconds to power on or off.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjust Settings:\u003c\/strong\u003e After powering on, press button ① for 2 seconds to enter settings mode (device will beep twice and the LED will flash). Press button ① within 1 second to cycle through sensitivity levels (low → medium → high) for buzzer, voice, and vibration independently. Settings auto-confirm after 5 seconds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick Reset:\u003c\/strong\u003e If false signals occur due to heavy soil mineralization, quickly press and release button ① once — the LED will flash once and the system rebalances automatically.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eCleaning \u0026amp; Care\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eRinse with tap water or wipe with a cloth dampened in mild household detergent solution.\u003c\/li\u003e\n  \u003cli\u003eDry thoroughly before storage.\u003c\/li\u003e\n  \u003cli\u003eAvoid chemical cleaners, solvents, or abrasive materials.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× TC-120 Metal Detector\u003c\/li\u003e\n  \u003cli\u003e1× User Manual\u003c\/li\u003e\n  \u003cli\u003e1× Anti-Lost Safety String\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Battery (9V) is NOT included. Please allow 1–2 cm measurement variance due to manual measurement methods. Colors may appear slightly different depending on your monitor settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1000d-tactical-edc-bag-military-ammo-pouch-hunting-wash-bag-dump-pouch-portable-tool-storage-handbag-compatible-military-utility\"\u003e1000D Tactical EDC Bag – Military Utility Pouch for Outdoor Adventures\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100l-tent-storage-bag-waterproof-with-combination-lock-camping-tent-bag-oxford-cloth-2-way-lockable-zippers-camping-storage-bag-1\"\u003e100L Waterproof Tent Storage Bag with Combination Lock\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut – Universal Metal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the TC-120 metal detector fully waterproof for diving use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the TC-120 is diving-grade waterproof, meaning it is built to operate reliably when fully submerged. It is ideal for underwater treasure hunting, beach diving, and freshwater searches.\u003c\/p\u003e\n\u003ch4\u003eQ: What types of metal can the TC-120 detect?\u003c\/h4\u003e\n\u003cp\u003eA: The TC-120 pulse induction pinpointer is designed to locate both ferrous (iron-based) and non-ferrous metals such as gold, silver, copper, and aluminum, making it versatile for all kinds of treasure hunting scenarios.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the TC-120 come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, the battery is not included. The TC-120 requires a standard 9V (6F22) alkaline or rechargeable battery, which you will need to purchase separately. On a full charge\/battery, expect up to approximately 20 hours of operation.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use the TC-120 alongside a full-size ground metal detector?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The TC-120 is specifically designed to work in combination with larger ground metal detectors. Once a ground detector signals a target area, you can use the TC-120 to precisely pinpoint the exact location of the metal object.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the TC-120 metal detector fully waterproof for diving use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the TC-120 is diving-grade waterproof, meaning it is built to operate reliably when fully submerged. 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The TC-120 is specifically designed to work in combination with larger ground metal detectors. 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