It is an excellent metal searcher. With high sensitivity and stabiity, the detector can recognize different types of metal and makes it easy to find metal objects that are useful to you. With this detector, you can go to more places to explore the treasure, search for gold, silver, copper, and gems. Specifications: Color:Golden; Blue; Black; White; Pink Size: (Receiver) 16.5×5×34cm / 6.5×2×13.4" (Transmitter) 11×7.5×3.5cm / 4.3×3×1.4" (Box) 37×29×9cm / 14.6×11.4×3.5" Search system: Microcoputer CPU control and reflection conductivity Search range: 1000m Detecting depth: 20M Energy: 12V 1000~1600mAh Lauch frequency: 5.6~6KHz Signal frequency: 360~440Hz Detection type: Gold; Silver; Copper; Precious stones Charging methods: this instrument has istalled rechargeable batteries. Access charger for charging for 5~8 hours. Feature - Accurately determine the buried position of an object and position it. - It is also possible to identify the specific type of metal by means of a frequency regulator. - Detection system with remote search system and precise positioning. - The use of micro-electric processor control chip unit calibratio and instrument self-test system can easily scan and detect quickly, improving the efficiency of the treasure hunter and reduce the labor intensity of detection. - This instrument can detect at least in 3.5 meters for a 5*5cm object. A 30*30cm object can be detect in 5-8 meters, and if the object of this size is buried for a long time, it can be dectect in the range of 20 meters. If the area of the object is larger, the depth of detection will be deeper. Package include: 1 x Receiver 1 x Transmitter 6 x Antenna 1 x Charger 1 x Box 1 x Manual