Wall Mounted Design This Stabilizer has an ergonomic Wall Mounting Design that makes it extremely easy to install. Auto Start The Unit woks automatically without any manual intervention. It automatically Steps Up and Steps Down Output Voltage according to A.C. Input Voltage to keep connected Appliance safe. Low & High Cut Off When the Input Voltage range goes beyond 170 V & 270 V, it automatically cuts the Grid Supply so that there is no harm to the Air Conditioner. Hassle Free Service Microtek is the only Indian Brand that provides Onsite Warranty. I.e. if you face any problem in your Stabilizer, you call us at Toll Free Number; your Product will get Service in 24-48 Hours.