Do not use in dusty location. / The clock may gain or lose time over time.This product is not waterproof.Do not let the product become wet.Make sure that the battery is inserted with the positive and negative sides in the correct position.Do not use rechargeable batteries.Remove batteries when not using for extended periods of time.Do not disassemble or modify.Do not drop this product or hit it on other objects.Do not use or store in a place subject to direct sunlight, high temperature or high humidity.Use and keep out of reach of children.Immediately discontinue use if the product becomes deformed or damaged.Keep away from fire and other sources of heat.Do not use this product for purposes other than its intended purposes.