Usha Maxx Air 70MD1 70-Litre Desert Cooler (White/Black) has a low water alarm, child lock and honeycomb cooling medium. This air cooler works on inverter and consumers less power and energy. Its smart shield technology makes the water tank resistant to bacteria and fungal growth. It stores the combination of pump, fan and swing as per your requirement.
Demo and installation are not required for a cooler. Still in case you face any issue in understanding the functions then please refer to the manual or contact us at 011-40239900/ 9718515202 or on the number mentioned by the brand on the manual.