this is 2 ac timer fully advanced lcd massaging digital display heavy duty model 30 amps -30 amps load output, this can be use upto 2.0 ton ac, as well as this timer also for vrf and vrv machine, with auto and manual facility  ...
Sensing sequence : Activated at the start of Green signal stage, registering of signal stage timing in first cycle, verification in the second cycle & display starts from the third cycle.