Sloan Valve SOLIS 81861.0 is an exposed, solar powered, sensor activated Urinal Flushometer, with Smart Sense Technology. This quiet, diaphragm type, chrome plated Urinal Flushometer for either left or right hand supply use light to charge a highly efficient capacitor, providing power even in rooms with occupancycontrolled lighting. These revolutionary plumbing products offer engineers and designers a way to visibly express a facility's commitment to sustainability. The sensor assembly is powered by a solar cell that will harvest power from artificial indoor light, either incandescent or fluorescent light, and use it as the energy source. The solar cell can provide approximately 100 percent power with 650 Illuminance (lux).Sloan SOLIS 81861.0 Solar powered Flushometers are activated via multilobular infrared sensor. Sloan's SOLIS Solar powered Flushometer is a breakthrough in design and function that transforms light into power. The SOLIS Series of Flushometers provide the ultimate in conservation and performance. Sloan SOLIS Solar powered urinal flush valves incorporate a intuitive button design for easy manual activation. Straightforward graphics alert user to proper activation. To further educate the user, two (2) instructional wall plates are included with each Sloan Solis Flushometer. Equipped with Smart Sense Technology which applies extended range and logic techniques to significantly reduce water usage in high use urinal applications; such as when a continuous line of people, also known as a queue, forms. In fact during continuous queue, regardless the number of users, the maximum amount of water used is only 2.0 gallons. Touchless, sensor operation eliminates the need for user contact to help control the spread of infectious diseases. The Sloan SOLIS Solar powered Flushometers are provided with an Override Button to allow a "courtesy flush" for individual user comfort.Sloan Valve Company SOLIS 81861.