This is the controller sets for EUNORAU 48V500W hub motor kits, it is only work with EUNORAU 500W kit, so please check carefully before you buy.
Electric bicycle conversion kits 48V 500W front hub motor kits system
1.48V20A block-wave controller（L:124.5mm W:63mm H:40mm）
2.850C/DPC-14 display with USB plug
3.EB-Bus cable 1T4
5.V12 PAS(easy installation)