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:DC12V Quiescent Current:5mA Working Frequency:433Mhz Receiving Sensitivity:-104dBm Function option:Momentary/Toggle/Latched Modulation Mode:ASK Matching Mode: Intelligent Learning code Output Mode:Dry contact /Voltage output Working temperature : -30~+80 Colour:As shown Material:plastic Package 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.