... gold & distinguish metal 3,4.5m detection depth GPX-4500 Ground Searching metal detector,4.5m ... some good arguments default .3, the search methods: depth and the general search 4, the critical point: the ... be set to save power 12, language, English operation 13, the remaining power, you can display 0-100%, ... charger, car charger can also be used Detect Depth: 1.5-5.5MPackaging Dimension:60*42*16 ...