Origin and Quality Assurance: this portable metal detector is designed for both enthusiasts and professionals seeking reliable metal detection capabilities in a compact form. DIY Supplies for Electrical Projects: Perfect for DIY enthusiasts and professionals, this handheld metal detector supports various electrical projects, offering a practical solution for identifying metal components and wires. Safe and Chemical-Free: Ensuring your safety, this metal detector is constructed without the use of high-concern chemicals, making it a safer choice for continuous use in various environments. Versatile and User-Friendly: Featuring a foldable design, this small and lightweight detector is highly portable, making it ideal for security checks at events, search for treasure, or construction site inspections. Handheld Metal Detector: High-Sensitivity Compact for Exam Security & Outdoor Scanning Ideal for exam halls, outdoor use, and mobile phone detection-this compact handheld detector blends precision with portability. Core Advantages High Sensitivity: Quickly detects metals (mobile phones, keys, USB drives) to prevent unauthorized items in exam halls/venues. Compact & Lightweight: Ergonomic grip, easy to hold for hours-great for on-the-go scanning. Instant Alerts: Audible beeps + LED lights for quick recognition, with adjustable sensitivity. Durable & Weather-Resistant: Handles daily use and light rain, fit for outdoor patrols or events. Simple to operate (no complex setup) - perfect for schools, event security, or outdoor metal checks. Color: Gray Material: plastic Package Contents: 1 Metal Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.