A powerful performer at a bargain price. The ACE 300 Jase Robertson Signature Edition has more modes than an ACE 200 and enhanced features to help find more treasure. The ACE 300 has adjustable frequency to you can eliminate or minimize interference caused by electrical sources or from other metal detectors. FeaturesDIGITAL TARGET ID - Numeric identification scale from 0 to 99. Identifies a target metal's conductivity.ELECTRONIC PINPOINTING - This non-motion All-Metal Mode function is used to precisely locate a detected target's position.IRON RESOLUTION - Increased resolution (more pixels) allows more precise control of how much iron discrimination to apply. Very useful in areas where desired treasure targets are being masked by iron trash.GRAPHIC TARGET ANALYZING - Simultaneously shows a treasure target's conductivity and the detector's discrimination pattern.