Specifications:

• HIGH SENSITIVITY:metal detector wand for security can detect even small hidden metal objects. Detects concealed weapon, knives and other metal object in baggages.woodworking use this for finding nails in reclaimed wood(Nails hidden within 0.2 inches may not be detected).Adjustable sensitivity allow pin detection at .4" and a 20mm steel ball at 2.7" depth.
• YOUR GOOD HELPER:metal detector hand wand to help you quickly and accurately find gold coins, gold coins, silver coins, cultural relics, jewelry and other items, and achieve precise positioning of small sizes that cannot be achieved by full-size metal detectors.Perfect for various people like kids, men, and seniors. Note that it is not waterproof.
• 2 KINDS OF ALERTS: The metal detector wand lets you choose between sound or vibration detection alerts. The LED light is also activated to the detection of metal. With high/low sensitivity settings allows you to maximize its scanning ability.
• BATTERY OPERATED: Operates on 9V standard or rechargeable battery(Including non-rechargeable batteries but no charger, please understand)/ battery depletion warning - automatic continuous sound or vibration alert. Perfect for safety checking and detection of prohibited goods, metals in station, frontier defense, school,Looking for nails in the wood.

Small Handheld Metal Detector Security Wand Safety Bars,Portable Battery Powered Adjustable Sensitivity, Sound Vibration Alarms,Security Scanner Detects Weapons,Knives,Screw