Firmware Language Packs:

LP1: English, French, German, Dutch, Italian
LP2: English, Portuguese, Spanish, Czech, Slovenian
LP3: English, Bulgarian, Romanian, Croatian, Greek
LP4: English, Russian, Latvian, Lithuanian, Estonian
LP5: English, Serbian, Hungarian, Polish, Hebrew
LP6: English, Danish, Swedish, Finnish, Turkish

Firmware Device Compatibility:

VIS_18_E_ supports: Villa Door Station: DS-KV8X02-IM, DS-KV8102-IP, DS-KV8102-VP

VIS_20_A_ supports: Apartment    Door Station: DS-KD8102-V, DS-KD8002-VM, 
                               Indoor Station: DS-KH8310-WT, DS-KH8300-T,  DS-KH6310-W, DS-KH6310, DS-KH6310-WL, 
                               Master Station: DS-KM8301