Flexible single post design can be installed on sinks with single-hole (CHO) or 4" centerset. Deck plate sold separately. Two separate infrared sensors To activate, place hand near sensor on side of spout to dispense soap; place hand under front of spout to dispense water Rectangular 1.2 gpm pressure-compensating, vandal-resistant aerator Brass spout and shank ADA Compliant: More and more Americans are staying in their homes longer, making universal design a necessary update to kitchens and bathrooms for independent living. Water Efficient: Conserving water is as important to us as it is to you. It makes ecological and economical sense. After all, the less water you use, the more money you save. Uses any brand of foam soap that meets viscosity requirements of 1-20 cps; no proprietary soaps needed Includes 1.8L soap bottle with quick release button Optional 4-inch deck plate, sold separately, for easy installation on sink with 4" centerse