Vertical Battery Switch Cluster w/DVSR – 1 Engine/2 BatteriesBEP Dual Battery Switches with Digital VSR and Emergency ParallelDual Battery charging clustersFor use on charging systems under 140AmpsTo be used in the following systems:Single outboard dual battery bankSingle alternator inboard engine dual battery bankDimensions:276L X 69W x 75H mm (vertical)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.