X-TERRA PRO TECH SPECSSearch ModesPark, Field, BeachAll-Metal ShortcutYesCustom Search Profiles6, Operating Frequencies (kHz)Park and Field: 5, 10, 15 | Beach: 8, Noise CancelAuto (19 Channels), Ground BalanceAuto, Manual, TrackingSensitivity1 to 25, Target Volume0 to 25, Threshold Level 0 to 25, Threshold Pitch Fixed, Target Identification (TID)119 segment notch discrimination: Ferrous: -19 to 0 I Non-ferrous: 1 to 99Target Tonesl, 2, 5, All Tones (At), Depth (dP) Tone Break, Ferrous (FE)Tone VolumeTone 1 adjustable: 0 to 25, Recovery Speed1 to 3, Depth Indicator, 5 Levels Discrimination Segments 30 segments (in increments of 4 Target ID's)Pinpoint Mode Yes Wireless AudioYes, Length (approx.) Collapsed: 63 cm (25 in) Extended: 138 cm (54 in)Weight (including batteries)1.3 kg (2.9 lbs) Display Monochrome LCD Display and Keypad Backlight (red)Off, High, LowFlashlightOn, Off Vibration (Master and Ferrous)On, Off Supplied CoilV12X 12" Double-D Elliptical coil with skid plateAudio OutputIn-built loudspeaker, Wired 3.5 mm (1/8") headphones, Wireless headphonesBattery3.7V/5100 mAh Internal Lithium-lon battery Additional Included Accessories Getting Started Guide, Charging Cable Waterproof5m (16 ft) IP68 Operating Temperature Range-10 to +40 degrees celcius (+14 to +104 fahrenheit ) Storage Temperature Range-20 to +70 degrees celcius (-40 to +158 degrees fahrenheit) Key Technologies Pro-Switch™Warranty3 Years control box and coil