Item Type: Metal Detector_x000D_Material: ABS, Sponge Coating_x000D_Transmitter: Built in rechargeable battery (NiCr) 2000mAh_x000D_Receiver: Built in rechargeable battery (NiCr) 2000mAh_x000D_Uses: Used for military, security inspection, archaeological treasure exploration, prospecting, etc._x000D_Detected Objects: gold, silver, copper, conventional precious metals (palladium, platinum), gemstones (diamond, emerald, carbuncle, etc.)_x000D_Basic Parameters:_x000D_Search Range: Maximum Approx. 1200meter / 3937ft_x000D_Detection Depth: Maximum Approx. 30meter / 98.4ft_x000D_Transmission Frequency: 5.6-6KHz_x000D_Signal Frequency: 310-435MHz 1HIGH PERFORMANCE: This handheld metal detector has high sensitivity and stability and can identify different types of metals, with high efficiency and fast detection. 2EASY OPERATION: Utilize microelectronic processor to control chip unit calibration and instrument self checking system, which can scan and test easily and quickly. 3ACCURATE DETECTION: Has a long range search system and precise location detection system that can identify specific types of metals through frequency regulators. 4DETECTABLE OBJECT: Can detect gold, silver, copper, conventional precious metals and gemstones, etc., commonly used in military, security inspection and prospecting, etc. 5WIDE APPLICATION: With a search range of up to 1200 meters and a detection depth of up to 30 meters, this handheld metal scanner has a wide range of applications. 1 x Transmitter 1 x Receiver 4 x Rubber Pads 1 x Signal Bar (Long) 1 x Signal Bar (Short) 1 x Power Adapter 1 x Suitcase 1 x User Manual