... WMV-001, equiped with the latest RF chipHigh-performance ARM processor chip Micro digital camera, and used industrial-grade ... is equipped with wireless transceiver module, 2.4 TFT LCD, earphone and other capture and playback devices. It receives ... data from headphone and play out through earphone and LCD, at the same time, speech signal collected through ... video intercom system with 2.4 inch LCD