The Kellermann CR 4 is the ultimate all-in-one solution for motorcycles with this turn signal switch. This independent turn signal relay provides the functionality of a motorcycle in the current state of technology or the electronics of optimally designed modern motorcycles. When all Kellermann turn signal relays eliminate any unwanted indicators with the unactivated indicator flash. The CR 4 offers numerous electronic control options; however, it can be individually decided which functions should be used. The turn signal relay integrated into the CR 4 provides a convenience feature: switching mode with comfort: 'after a short "one turn signal - turn signal on" five flashing cycles expire. If the rider can focus r