ACE APEX TECH SPECS: -Multi-Flex™ Technology -Single Frequency Options - 5, 10, 15 and 20 kHz -Multi-Frequency Options - Simultaneous Multi-Freq. and Multi-Salt -Z-Lynk™ Wireless Technology - wireless headphones are INCLUDED in this set -Fast Target Separation/Recovery -1/8" Headphone jack -Backlight -Iron Audio -Iron Volume Control -Iron Discrimination Segments-8 -Volume Adjustment - YES -Notch Discrimination -20 selectable segments -Search Modes-6, with International and U.S. Coins modes -Large Digital Target ID - 0 to 99 scale -Sensitivity/ Depth Adjustments-8 -Ground Balance, Auto/Manual -Auto, High Resolution, 175 pts -Pinpoint -Waterproof coil/stem -Rainproof control box -Audio Tone ID Levels -5 tones included with hybrid binary and proportional audio system -Target Depth Indicator-2" / 5cm segments -Standard Searchcoil-6" x 11" DD Viper™ -Length (Adjustable)-43" to 56" (1.09m - 1.4m) -Total Weight-2.5 lbs (1.13 kgs) -Power-Rechargeable Lithium Ion Battery, built-in -Battery Condition Indicator - YES -Warranty- 2 Years, Limited Parts/Labor