The Quantum Qflash Rolleiflex TLR Coiled PC to Household Flash Sync 32 "Cord Long is a black sync cord designed for Rollei, Rollecord, Rolleiflex, and Quantum Qflash cameras. With a maximum length of 6-8 feet, this unit is compatible with flash units, flash guns, and cameras. The connectivity allows for a secure connection between the Rollei PC and household flash sync, making it an ideal accessory for photographers looking to achieve consistent and reliable flash sync for their photography equipment.