Features: 1[High Sensitivity] The metal detector has high sensitivity and stability, easy to use, strong core, intelligent modular operation, powerful, advanced and efficient. 2[Remote Search And Accurate] It has a remote search system and a accurate positioning detection system, with a measurement range of 1200m. 3[Quickly Detect] Using microcomputer to control the calibration of the chip unit, the self inspection system can quickly scan and detect. 4[Durable Material] This metal detector is made of high quality aluminum material, durable, long service life. 5[Labor Saving] It can greatly improves the work efficiency and labor saving, and widely used to detect gold, silver, copper. Item Type: Metal Detector Material: Aluminum Host Size: Approx. 33.5 x 16.5 cm / 13.2 x 6.5 in Accessory Size: Approx. 11.5 x 7.5 cm / 4.5 x 3 in Color: Gray Range: Approx. 1200m / 3937ft Depth: Approx. 25m / 82ft Host Battery: Rechargeable lithium battery, 12V 1600MAH (Battery Included) Transmitter Accessory Battery: Rechargeable lithium battery, 9.6V 1200MAH (Battery Included) Transmission Frequency: 5.6-6KHz Signal Frequency: 360-440Hz Detection Type: Gold, silver, copper, and gems Charging Time: 10-12 hours Application: Metal search Weight: Approx. 2801g / 98.8oz 1 x Plug Power Supply  1 x Host (Battery Included) 1 x Transmitter Accessories (Battery Included) 1 x English Manual 1 x Plastic Storage Box 3 x Accessory Rod