The ReefControl Pro Deluxe Kit Comes with the ReefControl Pro controller, along with an integrated pH & Temperature Probe, an integrated Salinity & Temperature Probe, an ORP Probe and a leak detector. 

With a unique digital interface, ANY ReefSense Probe or Sensor can be connected to ANY available port – no programming needed. You can run multiple sensors of the same type, and new sensor types integrate seamlessly, keeping ReefControl futureproof.