Remote Control Outlets On/off, Dimmer, Wireless (Kit: 3 Plugs, 1 Controller) Connection 127 V ~ 60 Hz Transmission frequency: 433.92 MHz Maximum current by receiving outlet: 16 (8) A Maximum range of approximately 40 m (reachable only if there is a clear line of sight between the transmitter and receiver). Remote Dimmer and On/Off functions