AMA-5201T sensor tap It's entirely up to you

It's entirely up to you to decide which power option/combination suits your installation/usage the best

free from defects of material or workmanship under normal use and to perform the service for which they are intended in a thoroughly reliable and efficient manner when properly installed and serviced

Power Options: Mains/4XAA Alkaline batteries (up-to 2yr lifespan)

AC+DC Power Option:

at its option

AMA-5201T sensor tap It's entirely up to youAMA Series: AMA 5021T Tall Pillar design 2 in 1 manual and automatic sensor tap Features: Tall Pillar Design sensor tap 2 in 1 Integrative design Automatic or Manual water control system 2 Pipeline Design Double water supply feeds (Hot and Cold) Power Options: Mains 4x AA Alkaline batteries (up to 2yr lifespan) External battery compartment Low power indicator Hands free infrared activation Solid brass outer shell construction Finish: Chrome plated 2x