MC-AC/DC = (MC-240-AC & MC-48-DC)

Tempest AC/DC Controls provide true UPS battery back-up for mechanical tone only sirens.Deep Cycle Batteries for DC controls are not included and can be purchased through ASC or locally by the customer.  Tempest AC Control-for AC\DC Option operate the TEMPEST™ DC sirens from 208 or 240 volt AC power.