For those who face worst voltage conditions, here is a solution named Shakti series servo voltage stabilizer. Areas where voltage can go as low as 50V, this stabilizer can protect the appliances and lighting system by keeping the voltage stable. This device comes at price affordable by all. This Shakti series servo voltage stabilizer features latest microprocessor based circuit, in-built double MCB's, high & low cutoff feature, by-pass feature, time delay relay (TDR), thermal overload protection and power saving technology. It comes with a warranty of two years.