Uzi Handheld Portable Metal Detector Wand, Super Scanner, 2 Alarm Modes, LED Indicator, Adjustable Sensitivity, Detect Ferrous & Non-ferrous Metals, Rechargeable, One Switch Operation, Detects Weapons PROFESSIONAL HANDHELD METAL DETECTOR: Streamlined design to use comfortably for extended periods of time, can detect ferrous & non-ferrous metals, from light electronics that don't have iron in them to heavy iron-based metal objects, wide operating temperature range from -15°C to +55°C to use reliably in all conditions. HIGH LEVEL ADJUSTABLE SENSITIVITY: Offers reliable & variable security that's easy to use with 3cm sensitivity pin, and detects small hidden metal objects, electronics, small weapons, knives as well as larger metal objects on individuals hidden in clothing or baggage. TWO ALTERNATIVE ALARM MODES: The UZI-HHSC-3 can either give a buzzer sound with LED indicator to use in quiet places or give vibration with LED indicator to use when a more crowded approach is needed.