Frequency bandwidth：5s-250Hz、10s-250Hz、20s-200Hz、60s-100Hz、120s-100Hz；
Channels：orthogonal three-channel；
Dynamic range：≥120db；
Complete machine sensitivity：≥500V/m/s(Tolerance better than ±5%)；
Time stability：5x10-7s、built-in BD+GNSS positioning timing；
Sample rate：50、100、200、500、1000、2000sps；
Continuous operating hours (autonomous power self-sustainability): >45 days (@25℃/ 100sps/in autonomous operating mode), support external power supply to extend the working time；
Self-calibration mode: pulse self-calibration；
Status display: LED+LCD；
Interactive platform: Windows, Android, Linux；
Data format: MiniSEED, Raw (can be converted to SAC and many other formats)；
Data download: USB, plug-in TF card, Ethernet, WIFI, 4G (optional)；
Real-time data streaming service: support multi-terminal network real-time transmission of data streams(maximum 5 clients)；
Real-time data stream output delay: ≤1s；
Remote control: support remote receive restart command and automatically complete the restart of the instrument；
Interaction Interface:RS232,Ethernet, WIFI, 4G(optional)；
Induction identification: RFID electronic tags；
Working angle: ±5°；
Operating temperature: -25℃～+55℃；
Waterproof depth: ≥ 1m；
Size (full-size)：≤152mm*152mm*240mm；
Weight：≤6Kg.
