Comes with:
1 x ReefKeeper Elite v2 Head Unit
1 x RKM-SL1 ( supports pH, ORP, temperature, 2 micro switches)
2 x RKM-PC4 (total of 8 outlets)
1 x SID v2 Programming Dongle
1 x pH Probe
1 x Temperature Probe
3 x bus cables
Everything works fine
open to interesting trades