2 Accurate Detection Modes: All-detect mode can detect all kinds of metal objects, such as coins, cultural relics, jewelry, gold, copper, silver, etc. While discrimination mode can distinguish the valuable objects and skip the useless ones that you don't want. It can also work normally in shallow water thanks to its waterproof design. Powerful LCD Screen: The detected objects are shown on the LCD screen, you can decide which objects you want to detect or not. The detected length is 16 cm / 6.3 in. LCD with light, easily identifying the metal at night or dark places. Battery condition indicator is also equipped. Humanity Designs: Ergonomic arm rest and comfortable grip allow you to use it with little effort. The adjustable stem (ranging from 102 cm / 3.3 ft to 130 cm / 4.2 ft) is suitable for users of different height. The adjustable angle makes it work flexibly on uneven grounds