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Freedom 24D Series
"The Freedom 24D is a research grade dry wireless EEG headset designed for rapid application of 21 sensors at locations corresponding to the 10-20 International System. Its main features include: – Self-donned and ready to record EEG in under 5 minutes. Comfortable for wearing continuously over 8 hours. Portable design suitable for light ambulation in office or lab environment. Continuous impedance monitoring. BlueTooth wireless transmission with sampling at 300Hz. Hot-swappable Li-ion batteries allow continuous operation. 8-bit digital trigger input. Adjustable to fit a wide range of head sizes (54-62cm in circumference)."