With LCD display which shows the probable type of metal, the depth of the target, ran-ge of DISC&NOTCH the level of SENS and battery condition it also has the numeric display for the target Three tone of audio discrimination: with three different sounds, high, medium and low, means different types of target. With 10 inch waterproof search coil, you can use it even under shallow water. (Note: the control box is not waterproof.) Super slow sw-eep identification function: With a very slow sw-eep of the search coil to discriminate different types of metal. With the backlight, so you can use this detector even in dark places, do not need to worry about can not see the data clearly. PP function can let you pinpoint the location of the target accurately, give you a better using experience., Manufacturer: CFWWSAQ