The Remote Control lights, TV, motors, fans, cameras, video signals, audio signals, electric doors, locks, windows, curtains, Descriptions:Control lights, TV, motors, ... 240V or DC 0~28V You would set different codes if you use two or more receivers in ... floors and doors One/ several transmitters can control one/ several receivers Transmitting frequency: 433MHz Receiver:Supply Voltage: 12V DC Static ...