They like it dry and hot. UVB is not necessary for nocturnal geckos. Give them some rocks and bark temps in upper 80s on hot side, and mist 2-3 times per week lightly for water. These guys are little pigs and very easy to care for in captivity.
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Currently keeping:
Geckos:
Eublepharis macularius (various morphs), Paroedura picta (banded, stripe, and amel), Paroedura bastardi bastardi, Paroedura androyensis, Hemitheconyx caudicinctus, Rhacodactylus ciliatus, Cyrtodactylus irianjayensis, Gekko gecko, Pachydactylus turneri, Uroplatus henkeli, Teratolepis fasciata, and Oedura monilis.
Snakes:
Corns, a single ball python, a pair of Taiwan Beauties, and a pair of Tangerine Honduran Milks