MRC 1278 Tech 7 Model 780 Dual Power 20VA with Momentum DC Model Train Powerpack Tech 7 ampac 780 features two independent Tech 7 units in one housing. It is designed to control two trains in different blocks with common rail. This dual unit not only has a total output of 20VA, but features that include revolutionary slow speed circuitry and Accutec Technology™. INPUT: 120 VAC 60 Hz OUTPUT: 14.5 VDC- EACH THROTTLE @ 10VA, 14.8 VAC TOTAL OUTPUT: 20 VA FEATURES: Accutec Technology™ provides smoother performance and helps maintain the extra power when climbing grades or running over poor track conditions Proportional Tracking Control an innovative system of control that yields the most responsive, realistic model train operation Automatic Circuit Protector automatically disconnects power to the track to protect your equipment if overload occurs Main Line Direction Switch throw the switch to reverse direction of the loco More Powerful than others in its class with power to pull heavy loads and operate accessories Pilot Indicator Light shows power is being delivered to the track Advanced Slow Speed Circuitry so your loco can crawl and couple easily Fixed A.C. Terminals for powering switch machines, lights and other accessories 300 Degree Speed Control uses 300 degree throttle for an extended range of control