The phottix odin ii ttl flash trigger transmitter adds new cutting edge functionality and features to phottixs flagship flash trigger the odin ii ui and control system has been overhauled making it faster and easier to use it features 5 groups with individual buttons and a control dial for quickly adjusting flash power levels an af assist light has been added to the odin ii tcu for improved focusing when used in low light environments with 32 channels and a new digital id fun