KH director + Doser 2.1 SA + Ion director + Doser 2.1 SLAVE

[xxlxxl]

hi,

I have KH director + Doser 2.1 SA

if I buy Ion director + Doser 2.1 SLAVE

will it work all together managed via Doser 2.1 SA? or I need to buy another Doser 2.1 SA

Thanks