This receiver is a 340 MHz AC control and is used in conjunction with the KF340-12 Transmitter. The unit operates on 120 VAC and provides one 120 VAC output. The receiver can be configured for either momentary or latching operation. The receiver can be set up to respond to any switch or switches on a KF340-12 transmitter. In other words, you can control multiple receivers independently with one transmitter. Up to 42 switches can be stored in the receiver’s memory.