Check the listing for details. 2CH RF Wireless Remote Control Momentary/Toggle/Latch C b14. Condition: New. Listed at 27.90 USD. I made this Instructional video to help explain how this RF unit works. https://youtu.be/gOOtp-74_B0 Key Features of the 2A 2 channel RF Controller with metal remoteMetal remote with sliding cover caseThree modes: Toggle, Momentary,Latched1527 IC auto encode/decodeIndividual relay Output SpecificationDistance: 100M(300 feet)Power supply: 12VEncode/Decode: Yes(Learning Code)Control Type: 3 modes:( Momentary, Toggle, Latch)Relay: 3A/125VAC, 3A/14V DCReceiver Board Size: 8cm x 10cm x 3cm RemoteSize: 5.5cm x 7.5cm x 3cmModes:Toggle: Press=On, Press again=OffMomentary: Press=On, Release=OffLatched: Press=On, Release=On (locked)J1,J2,J3 Open = Toggle mode (all channel) J1 Open, J2 Open, J3 Closed: Momentary mode (all channel) J1 Open, J2 Closed, J3 Opened: Latched Mode (all channel) J1 Closed, J2 Open, J3 Open: Self latched and release only recycled powerModel:ERF-2A433Description:2Channel RF ControllerChannel:2Chipset:1527Frequency:433MHzRange:100~150m 2 channel RF transmitter and receiver instructions - YouTube Video will open in a new window [isdntekvideo]