Garrett Ace 300 7x10 in Black/Yellow Medium. Specifications for Garrett Ace 300: Manufacturer: Garrett Battery Type: AA Battery Quantity: 4 Weight: 2.8 lb Features of Garrett Ace 300: Digital Target ID: 0 to 99 scale offers target information 7" x 10" PROformance submersible searchcoil offers more coverage depth Higher frequency (8 kHz) provides better sensitivity on low and medium-conductivity targets (i.e gold lead) Increased Iron Resolution: twice the iron resolution of an ACE 250 to help overcome target masking in iron-laden hunt sites Adjustable Frequency to help eliminate interference Camlocks for increased stem stability Includes Pulse-Width Modulation audio: sharper more responsive audio Includes Electronic Pinpointing: precisely locates targets and speeds recovery Notch Discrimination: Modify discrimination patterns based on what you are seeking. Five Search Modes (plus Pinpoint) Eight (8) Sensitivity/Depth adjustments Coin Depth Indicator determines target depth Expanded Target ID legend: includes indication of U.S coin denominations Package Contents: Garrett Ace 300 Garrett 1141150: Ace 300 7x10 in Black/Yellow Medium