2 In 1 pH & ORP (Redox) Digital Controller Monitor with Output Power Relay — BNC Electrode Probe for Hydroponic Plants, Portable

Combined pH and ORP monitoring unit engineered for hydroponic plant care. A clear digital display provides live pH and redox (ORP) readings to help you maintain precise water quality. The built-in output power relay allows automated control of pumps and nutrient delivery systems to keep conditions stable. Compatible with a variety of hydroponic setups and plant types for flexible use. Includes an electrode probe with a BNC connection for reliable, accurate measurements; the portable form factor makes it easy to install or move as needed.