They are a "Protestant" religion and have many beliefs and practices that are consistent with "mainstream" Christian religions: belief in the Trinity, use of the Bible, etc. Some of the major differences are:
- Their Sabbath. They keep what many people call "the Jewish Sabbath" from Sunday Friday to sundown Saturday. This comes from the Fourth Commandment, which in turn comes from the Genesis creation story (rested on the on seventh day, etc.).
- State of the dead. They don't believe in ghosts or the "soul" as a separate person. So, when a person dies, they're done till "Jesus comes." They also believe that no one is currently burning in hell or that people's "souls" go to heaven when they die.
- Diet. They follow the Old Testament guidelines about "clean" vs. "unclean" meats. I think it's discussed in Leviticus.
Ozmo would probably consider them "literalists" in many respects.