new underground metal detector md-5021 small portable high sensitivity gold silver coin treasure finder non ferrous metal sound alarm

do not put it in the water sensitivity: adjustable, less than equal 180mm detection of objects: metal (including iron, aluminum, coins, gold, bronze, silver) detection mode: discrimination features: dashboard and led lights power: 1 x 9v battery (not included) material:plastic, metal colour:black package contents: 1 * metal detector 1 instruction manual only the above package content, other products are not included. note: light shooting and different displays may cause the color of the item in the picture a little different from the real thing. the measurement allowed error is 1-3cm.