... ,reliable 4,low loss, anti-distortion 5, CE, ISO SVC fully automatic voltage stabilizer, sampling control circuit and servomotor as well ... --250V, 70--130VOutput voltage: 220+/-3% with 110V+/-3%Phase: single phaseFrequency 50Hz/60HzResponse time with 1 sec,against 10% input ... %Waveform distortion Non-lack fidelity in waveform. SVC digital display fully automatica AC voltage stabilizer