Teknetics Patriot: Description: - Teknetics Patriot works on 13 kHz frequency and is good for coin shooting, relic hunting and gold prospecting - It has a frequency shift for eliminating electrical interference - Visual Target-ID by category and 0-99 numerical indication - Target-ID confidence bar. - Continuous ground mineral concentration readout - Push-button static pinpoint - Speed selection, normal for most conditions, slow for deep coins in non-trashy areas - 11-inch waterproof DD search coil - 40 hours of battery life (4 AA batteries) Tec. Specifications: - Standard Coil11-inch Open Frame Bi-Axial - Batteries4x AA (not included) - Volume Control - Battery Indicator - Battery Life20-25 hrs. - Target ID - Audio8 audio tone options - Pinpoint Mode - Discrimination ModesDiscrimination AdjustmentYes - SensitivityAdjustable - Operating Frequency13 kHz - Depth Indicator- 4-segment - Length: Length 43.5 inches to 52.5 inches (110 cm to 133 cm) - Headphone Jack - Ground Balance - Weight2.9lbs (1.3 kg)