Feature: 1. HIGH PERFORMANCE: This handheld metal detector has high sensitivity and stability and can identify different types of metals, with high efficiency and fast detection. 2. EASY OPERATION: Utilize microelectronic processor to control chip unit calibration and instrument self checking system, which can scan and test easily and quickly. 3. ACCURATE DETECTION: Has a long range search system and precise location detection system that can identify specific types of metals through frequency regulators. 4. DETECTABLE OBJECT: Can detect gold, silver, copper, conventional precious metals and gemstones, etc., commonly used in military, security inspection and prospecting, etc. 5. WIDE 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. Specification: Item Type: Metal Detector Material: ABS, Sponge Coating Transmitter: Built in rechargeable battery (NiCr) 2000mAh Receiver: Built in rechargeable battery (NiCr) 2000mAh Uses: Used for military, security inspection, archaeological treasure exploration, prospecting, etc. Detected Objects: gold, silver, copper, conventional precious metals (palladium, platinum), gemstones (diamond, emerald, carbuncle, etc.) Basic Parameters: Search Range: Maximum Approx. 1200meter / 3937ft Detection Depth: Maximum Approx. 30meter / 98.4ft Transmission Frequency: 5.6-6KHz Signal Frequency: 310-435MHz Package List: 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