Masterlink MICC - Includes Shunt Advanced battery monitor, 12/24V DC with LCD readout and remote control for Mass Sine inverter, Mass battery charger or Mass Combi. The Masterlink MICC will tell you at a glance: Exact state-of-charge of your battery. System voltage and system charge- or discharge current. Amp-hours consumed from the battery. Time of operation remaining until your battery is empty. Remote operation of your inverter, your battery charger or Mass Combi. 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.