The cool Ac guard helps to regulate high and low voltage in ac and it also easy to monitor the health status of air conditioner. SpecificationsThe A/C PROTECTORProtector for All Air-conditioners up TO 2HP (maximum)Displays real-time room temperatureDisplays real-time power consumption of your Aircon. Protects your A/C against Hi & Low Voltages. Easy to monitor the health status of your Air Conditioner