Mastervolt 21709150 GMDSS front panel Mass 24/25 DNV GL

Digital Volt and Ampere meter for Mass 24/25-2 DNV, in front panel.
Professional users will benefit from a front display with GMDSS alarm functions.
GMDSS stands for Global Maritime Distress and Safety System, an internationally agreed-upon set of safety procedures, types of equipment, and communication protocols that is a requirement for the SOLAS (Safety Of Life At Sea) convention and uses DSC and satellite communication.
Battery voltage and current are displayed on the digital panel.