Portable handheld metal detector with high sensitivity for security inspection, featuring buzzer and vibration alerts This handheld metal detector is designed to detect small metal objects. It is suitable for use in personal searches for prohibited items in crowd control, airport and border security, package inspection, and any situation where concealed metal detection is required. It can also be used to locate coins, relics, jewelry, and other metallic items, alerting users to the presence and location of metal through audible and vibration alarms. Features: Detects metal objects at airports, railway stations, wharfs, customs, and border checkpoints for security screening Provides precise metal detection with adjustable sensitivity Indicator lights: green for power, yellow for low battery, red for metal detection alarm Dual alert modes: audio buzzer and vibration Lightweight, handheld design with wrist strap for easy portability Rechargeable battery compartment (rechargeable batteries not included) Suitable for security checks and detection of prohibited items, electronic devices, and metal objects in stations, border areas, schools, courts, and factories Specifications: Color: Dark Grey Material: ABS Plastic Alarm Indication: Yellow LEDs: Metal detected Flashing Green LEDs: Power on Flashing Red LEDs: Low voltage Alarm Signal: Sound Mode: Buzzer and red LEDs Vibration Mode: Vibration and red LEDs Detectable Objects: Metal items such as handguns, daggers, steel balls, coins Frequency: 22KHz Power Consumption: 270mW Max Standby Current: 8mA Reset Time: 0.5 seconds, automatic Detecting Distance: Pin, Iron Nail: 30–60mm / 1.18–2.36in Coins: 75–100mm / 2.95–3.94in Handgun: 160–180mm / 6.30–7.09in Six-inch Dagger: 160–170mm / 6.30–6.69in 20mm Steel Ball: 20–30mm / 0.79–1.18in Operating Voltage: 9V Battery: 1 x 6F22 9V battery (not included) Operating Temperature: -10°C to +65°C Package Size: 380 x 80 x 38mm / 14.96 x 3.15 x 1.50in Package Weight: 250g / 8.82oz Packing List: 1 x Metal Detector 1 x English User Manual