Two electrically isolated inputs
CAT III 1000 V / CAT IV 600 V safety rated
500 MHz bandwidth model
5 GS/s
ScopeRecord roll mode, capture waveform sample data for up to 48 hours
TrendPlot, trend measurement readings for up to 22 days
IP-51 rated for dust and drip proof to withstand harsh environments
Isolated USB ports for memory devices and PC connectivity
Li-Ion battery for extended operating timespan: up to 4 hours 

https://www.fluke.com/en/product/electrical-testing/portable-oscilloscopes/190-series-ii/fluke-190-ii-190-502-s