Fisher Gold Bug Metal Detector Threshold and gain adjustments - 1/4 and 1/8 inch headphone jacks - lightest weight / best ergonomics in the industry 2 search modes: all-metal and discriminate - large lcd screen with 0-99 numeric target identification display - large target alert - depth readout and running signal strength indicator No-motion pinpoint - computer assisted ground grab and ground balance - continious ground phase and ground mineralization readout 2 Tone VCO - Super Sensitive Recommended for gold nugget / prospecting Threshold and Gain Adjustments - 1 9v power supply 1/4 and 1/8 inch Headphone Jack - Large LCD Screen with 0-99 numeric target identification display Lightest weight / Best ergonomics in the industry - No-Motion pinpoint 2 Search modes All-Metal and Discriminate - 19kHz Operating Frequency 2 Tone VCO - Depth readout and running signal strength indicator