PINPOINT ORP (REDOX) Controller is an inexpensive rugged controller complete with a platinum ORP probe. This device will automate another electrical device like an ozonizer or ozone generator. This full featured controller will accommodate an electrical device up to 3.0 amps at 120 VAC. A 230 VAC version is also available. Comes complete with PINPOINT ORP electrode with Ultrapure Platinum tip with 10 foot cable, Pre-mixed High Precision +400mV Calibration Fluid, and adjusting screwdriver.