GEREE R033M-1 5v Liquid Level Controller and Sensor Module HD

GEREE R033M-1 5v Liquid Level Controller and Sensor Module B00VFV5XF0 1. LCT-1 Level Controller has two types of function: with three color LED indicator Low -- Red Medium Yellow High-- Green On Low signal open is energised (start pump, open fill valve, etc.) on High signal circuit is energised for (open drain, start evac, etc.) Options for mid continuance This combination will allow you to maintain a reservoir level. Or flush the pool. Depending on the options used from high to low state. Flush would be wait till low, then open input. Reservoir would be run till fill from medium high. MDL#: GEREE R033M-1 ASIN: B00VFV5XF0 URL: http://www.amazon.com/dp/B00VFV5XF0 My Review: MyYouTube: