R4-S7

R4-S7 is a Astromech Droid Who Served as Rho Kim Yin's Arc 170 Sunset 7

He Is With R7-YE R7-Y7 R4-PW R8-R9 R8-O2 R2-SI R3-G19 R9-USW R9-E9 R7-JF R6-F1 R9-O8 R9-KK And R2-IW