1.LCD display: shows possible metal types, depth of target, range of discs and notches, sensor level and battery condition. It also has a digital display of the target. 2.Three-tone audio recognition: three different tones (high, medium and low) for different types of metal. 3.Masking function: Ignore junk metal and find valuable items by setting the range. 4.Disc: Targets that are distinguished by setting a range of recognizing numbers. The detector will not detect targets beyond the number setting. 5.LCD with backlight: for dark areas. 6.PP: Accurately locate the position of the target. 7.Headphone Jack: Lets you connect 3.5mm headphones (headphones not supplied) and operate trouble-free. 8.250mm waterproof search coil. 9.Adjustable Lever: Lets you adjust the length of the lever for ease of use. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Metal can be detected once coil approach it, and there's beep sound to remind you. With arm support for comfortable carrying and operating. Adjustable height allows you to adjust the detector's length for comfortable use. Support headphone connection, both stereo or mono headphone can be used. Adjust the output volume of the loud speaker or headphone. 2 9v batteries are not included Colour:Photo Color Material:ABS, Aluminum Alloy Package Contents: 1 x Metal Detector 1 x headphone 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.