Product Material: mainly plastic. Basic Function : The Lux Junior has seven power levels from 1/1 (full power) to 1/64 (lowest power). Color temperature of 6000K±200K. This flash NOT compatible with Canon EOS Rebel SL3, 250D, T7, 1500D, 2000D, T100, 3000D, 4000D, 200DII, R7, R6II, R8, R10, R50.