The MD300 Hand Held Metal Detector is a compact, high-performance security wand designed to meet the exact requirements of the security industry. With sensitivity precise enough to detect objects as small as a pin, it's ideal for body searches, crowd control, and screening parcels for hidden metal objects. The device offers flexible alarm options sound & light or vibration & light to adapt to different working environments, along with a built-in low-voltage indicator for consistent performance. Its simple, no-adjustment operation and durable, compact design make it easy to use and maintain, with a low failure rate even under daily heavy use. Powered by a standard 9V battery, the MD300 is a cost-efficient choice for schools, courts, correctional facilities, airports, events, and other public venues requiring dependable security screening.