It operates two air conditioners up to 1.5 – 2 ton capacity each alternately, directly from the powered output of timer. Specifications: Min. ON/OFF cycle 15 min. Niced backup up to 90 min, auto recharging, auto manual selectable. INPUT – 110/220 V A.C., 50 Hz single phase, Ambient 5°C to 50°C, RH unto