Owfeel RF DC 12V 1 Channel One Relay Wireless Learning Remote Control Switch with Two Black&White Type Transmitters 1.One channel of output, the output can be independent, but also non locking and interlocked. 2.Relay signal output (ie without voltage output) Can be achieved with 12V output voltage in the wiring, Can indirectly control other voltages. 3.High receiving sensitivity, Remote control distance can be up to 50 to 100 meters. 4.Wireless coding technology, no direction, switch without disturbing each other 5.Adopting larger capacity relay, can control electrical equipment of more than 1000W.