PC-TVR3K Best Voltage Stabilizer transformer for entire home

PC-TVR3000VA PC-TVR5000VA PC-TVR8000VA PC-TVR10000VA PC-TVR12000VA PC-TVR15000VA 1.Wall Mount Relay control voltage stabilizer  2.Input voltage 140-270V,105-270V,90-270V,80V-270V 3.LED Digital display  4.Low voltage protection (ouput voltage <185V+/-5V), Over voltage protection (output voltage >245v+/-5v),over loading >110%,over heating >100℃