LGR-5320 features Up to 200 kS/s correlated sampling of all data,16 analog inputs up to ±30 V, a 16-bit resolution, and 16 industrial digital inputs up to 30 V (500 V isolation available) It also has a Single Form C relay digital output configurable for triggering/alarming, 4 counter inputs, Detachable screw terminals. A 4 GB SD memory card is included and it can support up to 32 GB.