Mutation X V2 you can tell the difference between the V1 and V2. Welcome your inquiry. - #mutationXv2 #littleboyrda #orchidV4 #darkhorse #hobov2 #bigdripper #MutationX #mutationxrda #mechmod #modclone #mechanicalmod #RBA #RDA #RBTA #Cylapex #kanger Who