Shoe lights are not waterproof. So don't get them wet! This equipment has been tested & found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses & can radiate radio frequency energy & if not installed & used in accordance with the instructions, may cause harmful interference to radio communications. However, there is not guarantee that the interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off & on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna; Increase the separation between the equipment & receiver; Connect the equipment into an outlet on a circuit different from that to which the receiver is connected or consult the dealer or an experienced radio/TV technician for help. This device complies with Part 15 of he FCC Rules. Operation is subject to the following two conditions: This device must accept any interference received, including interference that may cause undesired operation. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. To protect the environment, adults should carefully open the Shoe Fireworks housing using a tool to remove the batteries. Dispose of the batteries in a recycle bin, or contact your local authority for recycling advice & facilities.