The setting of working mode:1. Momentary Mode: pressing one time the learning key button on the receiver board ( Led indicator on receiver board will signaling simultaneously ),then press any of the remote button , signaling three times by remote's LED indicator informs about setting momentary mode successfully .2. Toggle Mode: pressing two times the learning key button on the receiver board( Led indicator on receiver board will signaling simultaneously ),then press any of the remote button , signaling three times by remote's LED indicator informs about setting toggle mode successfully .3. Latched Mode: pressing three times the learning key button on the receiver board ( Led indicator on receiver board will signaling simultaneously ),then press first remote button ,follow on second remote button , signaling three times by remote's LED indicator informs about setting latching mode successfully ( first button stands for on , second button stands for off ).4. 2CH momentary + 2CH Toggle : pressing four times the learning key button on the receiver board(Led indicator on receiver board will signaling simultaneously ),then press any of the remote button , signaling three times by remote's LED indicator informs about setting successfully .5. 2CH Momentary + 2CH Latched : pressing five times the learning key button on the receiver board ( Led indicator on receiver board will signaling simultaneously ),then press any of the remote button , signaling three times by remote's LED indicator informs about setting successfully .6. 2CH Toggle + 2CH Latched : pressing six times the learning key button on the receiver board( Led indicator on receiver board will signaling simultaneously ),then press any of the remote button , signaling three times by remote's LED indicator informs about setting successfully .7. 2CH Latching + 2CH Latched : pressing seven times the learning key button on the receiver board( Led indicator on receiver board will signaling simultaneously ),then press any of the remote button , signaling three times by remote's LED indicator informs about setting successfully .8. Deleting existing remote controls data: pressing eight times the learning key button on the receiver board , the LED indicator on receiver board will flash for eight times , the existing remote controls are deleted successfully.What's More: The system can store for 25 pcs of remotes , if the remote than 25 pcs , the initial remote control will be lost .Technical Data:Working Voltage:DC12VQuiescent Current:5mAWorking Frequency:433MhzReceiving Sensitivity:-104dBmFunction option:Momentary/Toggle/LatchedModulation Mode:ASKMatching Mode: Intelligent Learning codeOutput Mode:Dry contact /Voltage outputWorking temperature : -30~+80Colour:As shownMaterial:plasticPackage Contents:1 * Receiver(with cover)1 * Transmitter(with battery)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.