Features 42/40dB high dynamic range 0.1m sample resolution with 65k sampling points 1.6m short event dead zone High quality touch screen Rugged Offer Chinese and English interface Deep memory for data storage Write/read file in Bellcore GR196 file format Intelligent battery capacity display Battery operation life over 8 hours USB interface Transmit data to PC by serial or parallel interfaces if you are interested in it, feel free to contact us. e-mail: