QIACHIP 433MHz DIY Wireless Receiver Remote Control Switch AC 85V ~ 250V 110V 220V 2CH Relay Circuit Receiver Module 433.92 Mhz and RF Remote Controls Switch No Disturb Light Door Control KR2202-4&KT16/KT01

Package Included:Receiver module (KR2202-4   )      * 1pcs ( include Shell )Remote Control ( 1527 Encoding )   * 1pcs (include battery ) Connection Amount:1 Receiver → Near 20 remote controllers1 Remote Control→ Unlimited receivers Technical Data: Input Power:AC 85V-250V Standby Current:<8.5MA RF Frequency: 433M RF working mode: superheterodyne Receive sensitivity: > 97 dbm Transmitting distance: 50 - 100 m ( open space) Decoding mode: MCU software decoding Remote storage: 16 pcs Support remote type: Learning code, Fixed code Working mode: Momentary, Toggle, Latching Wiring type:fixed terminal Output Terminal :NO , NC , COM Dimension of PCB:35*30*18mm  (L,W,H) Wire port :           NO:     normal open COM:  common NC:     normal close About Working mode: Momentary: Push the remote button , the relay connects, release the remote button , the relay dis-connects. Toggle: Push once the remote button , the relay connects , push twice the remote button , the relay dis-connects . Latching: When you press the A button, the A relay is connected; When you press the B button, the B relay is connected and the A relay is off; When you press the C button or the D button, all the relays are disconnected.  Clearing the code : Push the learning button on the receivers for 8 times , the codes will be cleaned . After clearning the code, all the remote control cannot work any more. Learning the code :(momentary) Push the learning key on the receiver once time , it comes into momentary setting mode . Wait for a moment , the LED will be off , it comes into learning state . Push the remote button , LED indicator on the receiver board will flash then come off . After 3 seconds, the LED indicator will be on again , learning successfully . Learning the code : ( Toggle ) Push the learning key on the receiver twice time , it comes into toggle setting mode Wait for a moment , the LED will be off , it comes into learning state . Push the remote button,LED indicator on the receiver board will flash then come off. After 3 seconds , the LED indicator will be on again , learning successfully . Learning the code :( Latching ) Learning the code : ( Latching mode )Push the learning key on the receiver 3 time , it comes into Latching setting modeWait for a moment , the LED will be off , it comes into learning state .Push the remote button,LED indicator on the receiver board will flash then come off.After 3 seconds , the LED indicator will be on again , learning successfully When you press the A button, the A relay is connected; When you press the B button, the B relay is connected and the A relay is off; When you press the C button or the D button, all the relays are disconnected.