A4 Three-Key Smart dimmer Switch(with hot line)
Receiving frequency: 433.93MHz
RF receiveing sensitivity: -105dBm
Working voltage: 180-250 Vac
Rating power: less than 220 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: 36