Candes Crystal 4kVA for 1.5 Ton AC (150V to 280V) Voltage Stabilizer with Wide Working Range Best for Inverter AC, Split AC or Windows AC Upto 1.5 Ton (MS Body) 3Years Warranty (Door Step Service)Candes Crystal 4kVA for 1. 5 Ton AC (150V to 280V) Voltage Stabilizer with Wide Working Range Best for Inverter AC, Split AC or Windows AC Upto 1. 5 Ton (MS Body) 3Years Warranty (Door Step Service) Suitable for Air Conditioner (AC) up to 1. 5 Ton Inverter AC Window Split AC Wide Operating Voltage range (Input): 150 Volts to 285 Volts, the product will automatic cut off the AC outside this voltage range. Double Booster Stabilizer for 1. 5 Ton AC.