... : 50Hz-60Hz... Product descriptionSuper intelligent digital energy saving device--JS-002 is a high-tech product, which adopts the latest ... business.Product feature1. By monitoring the status of electronic equipments , JS-002 can compensate the power and high frequency wave effectively ... Technique parameterRated voltage: 90V~250VRated frequency: 50Hz~60HzPower consumption: 22000W JS-002 saving saint