SpecificationPower supply 2*9V battery(not including)Sensitivity >18cm (for a US quarter)Operation modes Fully automatic and all metal detectorsCoil 8.5" waterproof search coilAudio Unique Tone for Target, 3 tonesDetected indication LCD displayFeature:1. Fully Automatic and All Metal Detectors – The detector detects all kinds of metal objects. Unless you have set for some objects that you don’t want to detect.2. LCD – The LCD, it improve to identify the metal in night or caliginous outside. Use a new display mode with patented technology. Additional automatic BG color adjusting system to further insure the LED works better in function of resolution ratio during day and night. More importantly save power.3. Display – The object responses in a more direct pointing way on the screen with three different sound frequency classifying the different kinds of metals. Position targeting: the signal on the screen will flash toward the middle when approaching the object.4. Panel Surface Abrasion Resistance – the panel is made of a material with surface abrasion resistance that ensures the LED well works.5. High sensitivity and stable working, won’t affected by outside environment.6. Mode –Use the MODE to adjust the sensitivity, volume, targets to choose or not, easy operation and fast reaction.7. Target Identity – The detected objects are shown on the LCD display. You can decide immediately if the objects worth to be recovered.8. Unwanted Target Elimination – You can set the detector not to respond to some objects.9. Unique 3 Tones for different Target – You don’t have to keep watching on the LCD display, when an object is being detected, a unique tone corresponding to a target will generate. You many even searching when there is little or no light.10. Pinpointing function, help user to find the correct location where may buried val