Senlesen Deck Mount 2 Handles Led Waterfall Contemporary Widespread Bathroom Sink Faucet Led Water Flow Powered Temperature Sensitive Shower Faucets Chrome Finish Function:Three Holes Double Handles Widespread LED Faucet Chrome Waterfall spout width: 7.8cm(3''),Connection:G1/2" Cold and hot water mixing,controlled with two knobs NO BATTERY:LED is Water Power. Color of LED lights changes automatically according to water temperature. Warranty: In case any broken problem happens, please contact senlesen service to solve the problem until satisfaction.We provide lifetime after sale service for all faucet