Detailed product description:<ul>
Mini-type hand held metal detector
Used for security check in important places like customs, airport and court
Low voltage power alarm</ul>
Functions:<ul>
Use cycle-switch to switch sound alarm and hidden vibration alarm respectively
Adjustable sensitivity
High-sensitive, detect ferrous and non-ferrous metal
Sound and light alarm simultaneously
Alkaline cell (7 to 9V) can work over 40 hours and distance does not change
Warm automatically when short of voltage</ul>
Detection distance:<ul>
Object sensitivity
Pin: 15mm
Paper clip: 20mm</ul>
Specification:<ul>
Operating frequency: 20kHz
Dimension: 395 x 140mm
Weight: 260g
Packing:<ul>
20 pieces per carton
Gross weight/unit: 305g
Size/unit: 36.0 x 15.0 x 5.2cm
Quantity/carton: 20 pieces
Gross weight/carton: 8kg
Size/carton: 52.5 x 31.6 x 37.8cm</ul>