1、[High Sensitivity ] The metal detector has high sensitivity and stability, easy to use, powerful, advanced and efficient 2、[Search Accurate] It has a remote search system and a accurate positioning detection system, with a measurement range of 1200m 3、[Fast Detect] Using microcomputer to control the calibration of the chip unit, the self inspection system can quickly scan and detect 4、[Labor Saving] Can greatly improves the work efficiency and labor saving, to meet your various need 5、[Durable Material] The product is made of high quality aluminium material, durable, long service life 1 x Plug Power Supply 1 x Host(Battery Included)1 x Transmitter Accessories(Battery Included)1 x English User Manual1 x Accessory Rod1 x Fitting Rod  Item Type: Metal DetectorHost: Approx. 33.5 x 16.5cm / 13 x 6.5inAccessory Size: Approx. 11.5 x 7.5cm / 4.5 x 3inColor: BlackRange: Approx.1200m / 1312ydDepth: Approx. 25m / 27ydHost Battery (Battery Included): Rechargeable Lithium Battery, 12V, 1600MAHTransmitter Accessories Battery (Battery Included): Rechargeable Lithium Battery, 9.6V, 1200MAHTransmission Frequency: 5.6-6KHzSignal Frequency: 360-440HzDetection Type: Gold, Silver, Copper, GemsCharging Time: 10-12 HoursPurpose: Metal SearchWeight: Approx. 2778g / 98oz