The LG GizmoPal is rated IPX3, using the Ingress Protection rating system. The dust rating is X which indicates the device does not provide dust protection. The water resistance rating is 3 (water falling as a spray at any angle up to 60 feet from the vertical will not have a harmful effect). Despite this classification, your device is not impervious to water damage in any situation.
Follow these tips carefully to prevent damage to your device: