U.S. EXPLOITER is the world's leading metal detection equipment R & D institutions, holds several patents and a strong development team, the company based on market needs and provide you a tailor-made the world's leading high-tech products - multi-functional complex Rangers underground metal detector. 

 Multi-functional complex of underground metal detection equipment to field the perfect combination of archaeological and scientific theory, high-quality remote search system and precise positioning of the detection system, breaking the conventional detection methods, the use of the chip micro-processor control unit electrical calibration, the instrument self-test system that can quickly and easily scan, detect, greatly increasing the efficiency of treasure-hunting enthusiasts and reduce labor intensity of the probe, is the most advanced, practical, economical metal detection equipment. Note: Although we can not guarantee to purchase the equipment you find what you want, but the correct understanding of the instrument performance, and reasonable and correct use of this instrument, you will be archeology, treasure-hunting the most capable assistant. 

 Technical parameters 

 Product Name: Rangers All-metal detector 

 Search system: microprocessor control and reflex conductivity 

 Detection range: 1000 meters 

 Detection depth: 20 m 

 Energy: 5V (A search instrument) 2V (B host) 

 Firing frequency :7-8 .8 KHz 

 Frequency :380-480Hz 

 Weight: 9.88 pounds 

 Metal detector: to set the frequency to detect the type of metal (gold, silver, copper, precious stones four), other metals also can be ruled out. 

 Charging Method: The instrument is installed in a rechargeable battery. Note distinction between A and B, the host of the search device charger, the charger indicator light is green when charging, charge about 6 hours. 

 Safety measures 

 1, the system can not exceed the specified power supply voltage, and please use the provided external devices. 

 2, under no circumstances, can not open the instrument or charger, and modify the equipment is strictly prohibited. Tamper label if the instrument is damaged, the warranty replacement service expires. 

 3, the instrument can not use thunderstorm days and exposure to the sun. 

 4, the instrument can not be placed in the fireplace, or other high-temperature environment. 

 5, the probe connector cable that can not even damp, in which case we should re-use or else the plug will be more drying loss of detection capability. chinacoal04