Buy from Amazon.com : http://fave.co/1GJ5rcz
Sunpak DigiFlash 2800 Digital SLR Camera Electronic Flash E-TTL for Canon EOS 7D 5D 60D 50D
Product Description :
Small and light weight body requires only 2 AA batteries batteries included
Guide Number ISO 100 100 30m
TTL signals are automatically recognized just by mounting and turning on
TTL automatic check function EV adjustment buttons enable free operations
90 Degree Bounce Head Auto Focus Assist Light supports focusing in low light situations