Lighting control with 3gang touch smart switch, RF technology Specifications:Dimension: 86*86*35mm Receiving frequency: 433.93MHz RF receiveing sensitivity: -105dBm Working voltage:180-250 Vac Rating power: less than 1100 Watt Environment humidity: less than 80% RH Working temperature: 0 degree to 60 degree Distance of RF range:30m inside a house, 100m without barrier Controlling code max storage number: 12

3gang smart switch