Introducing the Victron VE. Bus Smart Dongle, a highly sought-after device that allows for real-time monitoring and control of Victron Energy products. This item, previously owned but in perfect working order, is a must-have for any serious Victron Energy user. With compatibility for the Victron VE system and a compact design, this dongle is the perfect addition to any setup. Please note, this item comes with a California Prop 65 Warning - WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov. Purchase at your own discretion.