best product suggestions

 oled - latest and organic, lasts longer than amoled, as amoled will damage fast due to fast energy transfer. more energy efficient than amoled. cheaper than amoled. OLED known for its superior contrast and true blacks...  amoled - fast response good for gaming, and for more angle viewing and for vieing in sun,costly, picture quality is better when viewed from any angle and due to fast change in light or colors. 

amiciSmart 3-Phase Automatic Over/Under Voltage Protector with Over Current Protection, Auto-Reconnect with Phase-Loss and Phase-Imbalance Protection 63A 220VAC (White)  https://amzn.to/3BwuMvJ 1) this is not stabilizer - it will cut supply when there is high and low voltage which means all your devices will not work until you get back proper supply.  stabilisers from 3kva to 15 kva - 90 volts to 300volts https://amzn.to/4ekavbw