Main parameter: Power supply: DC12V Shooting frequency: 6.99Khz Signal frequency: 437KHz Visual: Lever Meter Indicator: sound : 2 Speaker or earphone(earphone not included) Disc: Ground Balance Controls Disc Control: Ground Balance control Tune control: sensitivity control Discrimination Control Zeroing control Working electric current: 300MA at Max Volume Sensitivity: 35cm or a US(25cent) Quarter with meter Indication at min, discrimination Accessories: Battery box and battery bag Gross weight: 3.2kg Colour: Black. Features: 1) Good detection depth: MD-5002 1.5-2m& MD5008: 3-5m(max detection depth) 2) Strong pinpointing performance Can penetrate the earth, the stone, the chinaware or other plastic and wooden material which covered on the metal and find the metal exactly. 3) Great discrimination 4) Easy operation 5) Mainly function : a) Suitable to detect and distinguish metal buried in the earth b) Suitable for checking metal in food, fuel, and luggage c) Suitable for detecting underground pipes d) Suitable for mining and archeological digs 6) Have the function to distinguish ferrous and Non-ferrous Metal. 7) Adopt the intellectualized operation system 8) Use the high strength material of ABS with light weight and long life-span 9) To distinguish if it’s the sound of ferrous via the earphone. Packing: Each pieces in one inner box & 4pcs in one outer carton Outer Carton measure: 840mm*320mm*640mm