This is a great and outstanding voltage stabilizer it have very good stability also it have very exellent durability as compare to other voltage stabilizers.it will perform its operation accurately even with very high voltage fluctuation spikes surge or very high input transient.
I am using this voltage stabilizer from last 3 year for my appliances it will performing very well during last three years. I have used it for tv iron washing machine this is an exellent stabilizer