Contactless Technology: No need to touch the switch with your hand, just wave your hand to complete the switch in 0.5 seconds. It will automatically turn off after 3 minutes of inactivity to prevent accidental turning on. Note: The product does not include an AC adapter. Multi-function Sprayer: Pull out kitchen faucet with 2 adjustment modes: stream for filling water, spray for powerful cleaning. Touchless kitchen faucets unparalleled flexibility in kitchen operations to achieve any of your needs. Reliable Quality: Forged from commercial SUS 304 stainless steel and brass. Provides a superior anti-corrosion and anti-rust coating that prevents dirt such as fingerprints or water stains from adhering to the faucet surface. : The faucet is suitable for single or three-hole sinks, all installation tools are included, the installation manual and installation video allow you to complete the DIY installation in about 30 minutes, no need to pay a plumber for installation. GIMILI After-s: We are online 724 hours. If you have any questions, please feel to email us through Amazon, we will solve your problem as soon as possible.