What happens when it rains?

Have the tapes get today and immediately tried --- in my apartment. After several safety instructions / importance of Instructions / fat exclamation mark I have seen the tapes very skeptical, because: you can probably use only in dry weather! Under the item "Cleaning and care is:" ... surface with a damp cloth to wipe ... Be sure that no water can enter the battery bag "can surely be no question, the part" from a battery. " is open above and below, the small wires can not get with stowed But apart from that:. in the dark, without rain and snow, I am determined as cyclists on the road is no longer to be overlooked!