MD9020C High Sensitivity LCD Display Metal Detector 1. Backlit LCD display can easily identify metal in dark or light conditions 2. Objects respond in a more direct pointing manner on the screen, with three different sound frequencies to classify different types of metals 3. Eliminate unwanted targets, you can set the detector not to respond to certain objects 4. Positioning: When approaching an object, the signal on the screen flashes towards the middle 5. Hidden search coil cable (connecting the control unit and search coil) to avoid tangling and facilitate rod length adjustment 6. With high brightness LED flashlight, convenient for night use 7. With headphone jack, connect headphones to use, stereo and mono headphones can be used 8. Volume control: used to adjust the output volume of speakers or headphones 9. Battery status indicator: display battery status 10. Waterproof search coil, convenient for use in shallow water 11. Adjustable rod: adjust the length of the detector comfortable to use 12. Detection depth: up to 1-3m 13. Signal frequency: 6.6KHz 14. Power supply: 6 x 1.5V AA batteries (not included)