The Elinchrom ELC 500 / 500 TTL To Go Set consists of two ELC 500 heads. These are built to accompany you on any creative endeavours. The flash head offers TTL with Manual Lock, HSS, Smart Pro-Active Cooling as well as compatibility with the vast line up of Elinchrom's trusted light modifiers. With the aim to encourage photographers to break out of their comfort zones, Elinchrom developed this mid-range compact studio flash head to enhance your creative process.