• A multitude of interesting features : such as removable Li-ion batteries for easy shipping and replacement, external battery powering possibility, removable/adaptable signal filters, decay curves stored with one sample every 10 ms (full decay curve), datafiles download on a USB key or by Wi-Fi from laptop and any smartphone or tablet, internal GPS included and automatic handle of local and global coordinates to visualize your profiles on Google地球，还有许多发现