Disc design with 7 built-in sensor modules, easy to plug, unplug and replace, offer several combinations to cater to experiment requirements.

Auto-locking ensures good contact at the port without lessening the ease to unplug.

Color Touchscreen, Extra Long Stand-by

1800mAh lithium battery provides a longer than 150 hours stand-by; 3.5-inch TFT 480*320 color touchscreen, 4M memory, maximum 100000 times/s sampling rate, 12-bit sampling resolution.

Higher reliability than other USB ports, sound durability; Better contact ensures smooth connection to computers; Firmware upgrade via USB supported.

Outdoor collection bag provided, support off-line collection, GPS and other surroundings info are recorded for each outdoor experiment; Extra long stand-by time ensures satisfying outdoor collections.