ITEM NAME:1Pc 433mhz rf receiver learning code decoder module 4 channel for 1527 encod BX Application environment Remote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, shutter doors, windows, remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote volume gate, pan doors, remote control door opener, door closing device control system, remote control curtains, alarm host, alarm, remote control motorcycle remote control electric cars, remote control MP3. Product Description [Receiver module ] Product Model:  RX480-E4 Working Voltage : DC3.3~5V Quiescent Current : ≠¤5mA Output current : 10 mA Working Frequency: 433MHz Receive Sensitivity: -108dB Receive Distance:  15 meters above Frequency band:  ±0.2MHz Working Temperature : -25~75 Working mode: Momentary Mode , self-locking (Toggle-Mode of the 4 Channels) , interlocking The output: 4 channel CMOS level signal Corresponding to the remote control ABCD 4 buttons. Pins Instruction GND : ground or negative pole +V : DC3.3~5V input D0: Data output D1: Data output D2: Data output D3: Data output VT: Output Package included:1pcs How To Programming: 1. Delete existing data: Press learning button 8 times (on the receiverï ¼â€°. Response: LED flashes 7 times. 2. Learning remote code: press learning key  (on the receiverï ¼â€°  once, twice or three times (see below). LED turns on: learning mode is active. Press any button of the remote control. LED indicator flashes three times: learning successfully completed. 3. Test: after the above operation , the receiver board can be controlled by the remote control . More transmitters with different IDs can be learned and stored additionally, starting with step 2. A mixture of different modes is possible. Button usage (sets mode and starts pairing process): Press once  (on the receiverï ¼â€°  : Inching mode (Momentary Mode) Press twice  (.Working Frequency: 433MHz. [Receiver module ] Product Model: RX480-E4. LED turns on: learning mode is active. Press twice (on the receiverï ¼â€° : self-Lock Mode (Toggle-Mode of the 4 Channels). +V : DC3.3~5V input. ).