Sleek, contemporary tube style design features a comfortable rounded handle shape and coin edge knurling on the faucet dial for extra grip - blue LED light illuminates when the faucet is in use Measure fill technology: delivers a precise set volume of water—on demand up to 5 cups/40 ounces. Turn the dial to your desired volume of water, then touch to turn on the water flow Touch functionality: faucet can be turned on and off with a simple touch on the faucet dial window Automatic safety shut-off after 5 minutes when faucet was turned on via touch functionality Manual faucet operation: lever handle allows for manual faucet operation. Dual-function pull-down spray head: allows for easy switching between regular stream and powerful spray Re-trax spray head retraction system: spray hose technology system to ensure smooth pull-out, operation, and retraction of spray head Ceramic disc valve cartridge: precise temperature and flow control with a lifetime of drip-free, maintenance-free performance Can be operated as battery only or as plug-in version If desired with the separately sold AC adapter Ships with 4 x AA long-life alkaline batteries that last for approximately 10 months All mounting hardware, Supply lines, & handles) are included