1、Adjustable Stem: The adjustable stem allows you to adjust the length of the detector for comfortable use, the maximum length is up to 1080mm. 2、2 Modes: Audio alarm and pointer indication, you can adjust the output volume of the external amplifier or headset. 3、Whole Set: The metal detector is equipped with a shovel and headset, convenient for exploration, the display interface is clearer and data reading is faster. 4、Intimate Design: With a handle and elbow support, you can comfortably carry and operate this detector, which is suitable for people of different sizes and ages. 5、Wide Application: The detector is suitable for searching and detecting metal articles, gold and silver jewelry, coins, cultural relics, etc. Whether you are a novice or an experienced enthusiast, you can easily get started. Item Type: Metal Detector Material: ABS Operating Mode: All metal and DISC Sensitivity: Maximum, the depth of the US quarter coin in all metal mode is greater than 180mm Detection Object: Metal (nails, iron sheets, aluminum rings, small aluminum products, coins, gold, copper, silver) Operating Frequency: 5.69KHz Power Supply: 2 x 9V 6F22 battery (shipped without battery) Working Current: Standby 10mA, maximum 70mA Detection Indication: Mechanical pointer mode, audio mode Sensitivity: Adjustable Volume: Adjustable Adjustable Stem: Maximum Length: Approx. 1080mm/42.5in Minimum Length: Approx. 780mm/30.7in Waterproof Search Coil Diameter: Approx. 200mm/7.9in Speaker or Headphone Jack: Approx. 3.5mm/0.14in Color: Black Application: Detection of metal foreign matters such as materials, fuel, food, underground pipeline detection, archaeology, exploration, gold, silver, metal cultural relics and other buried treasures, acquisition of scrap metal industry, customs security inspection, Interpol search, inspection of metal foreign matters in express delivery and luggage 1 x Metal Detector 1 x Shovel 1 x Shovel Bag 1 x Headset