Agrowtek's GC-ProXL-Q-E controls up to four climate zones. Same great features as GC-Pro-Q with expanded hardware to handle more sensors and relays. Includes four sensor ports, eight discrete inputs, sixteen outputs for relays and one basic climate sensor. Serial & Ethernet ports for free remote monitoring software. Up to four (4) climate zones with basic climate, lighting and timer controls (no dosing controls). Shown with optional touchscreen display.