【Sensitivity Upgrade】Our stud detector features an upgraded smart micro - sensor chip, boasting a 100% boost in sensitivity! It detects wooden beams (1.5" deep), metal pipes (2.36") and warns of live wires (2" deep). Whether it's drywall or concrete, it penetrates layers, precisely pinpointing edges and centers. From hanging a picture to installing a wall cabinet, it's your "invisible safety advisor", ensuring every drill hole safe for your family. (Please Note: Not Included Batteries, Need to Prepare a 6F22 9V Battery by Yourself.) 【Effortless Precision】The 2.6" widened anti-slip handle, staying put even during long holds or with gloves. 2.4" high-def backlit LCD display is clear in dim basements and attics. At just 170g (lighter than a phone), it's easy to operate with one hand. During detection, the dynamic signal bar and stepped beeping guide you. The closer you get to the target, the higher the beeping frequency – you could find the right spot with your eyes closed! 【Construction-Grade Quality】Passed over 10,000 drop tests and crafted from high-strength ABS, this deep scan stud finder is dustproof, waterproof, and durable. It performs reliably in tough construction sites. Whether it's a gift for DIY enthusiasts who love tinkering, professional contractors, or friends who've just moved into a new home, it's an incredibly practical and thoughtful gift. 【Batteries Not Included】You need to prepare a 9V battery by yourself. We're committed to eco - friendliness and affordability. To cut costs and offer better prices, after careful consideration, we've decided not to include batteries with our products. Choosing our products is a win - win: you help the environment and get great value. 【5 in 1 Scanning Modes】The 5-in-1 function combines a stud finder, metal detector, voltage tester and depth gauge, costing less than 1/3 of a traditional toolset.①Stud Scan(0.5"/1"/1.5" depth): Locate wooden beam centers for a secure TV or bookshelf in small or old-house walls.②Metal Scan(2.36" depth): Find hidden pipes and rebars before kitchen or bathroom remodeling, saving big on repairs.③Wire Scan(2" depth): Detect 80-240V live wires with a signal bar and beeps, avoiding shocks. 【Home - Improvement Tool Essential】Whether you're hanging a TV, installing a bookshelf, building a tool rack in the garage, renovating an old house, remodeling a rental, or decorating a commercial space, it can: ① Help you find the best drill points, reducing wall - patching by 80%; ② Warn you in advance of dangerous areas, avoiding 99% of mis - drilling accidents; ③ Simplify the operation process, saving 60% of measurement time. 【Premium Service】Got a problem? Come to us, there is no complicated after - sales process, no passing the buck. Just click the "Contact" button, and you'll get a response within 24 hours – that's our promise.