(Reference Title: 433mhz Wireless 4 Channel RF Receiver 1527 Learning Code Decoder Module For Remote Control) Features: 100% brand new and high quality. 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. Please note: Compatible transmitter encoding type: EV1527. If your transmitters are not using the encoding EV1527, they will not be connection to the receiver. 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 How To Programming: 1. Delete existing data: Press learning button 8 times (on the receiver. Response: LED flashes 7 times. 2. Learning remote code: press learning key (on the receiver) 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 receiver): Inching mode (Momentary Mode) Press twice (on the receiver) : self-Lock Mode (Toggle-Mode of the 4 Channels) Press three times (on the receiver): interlocked mode (selected channel active and be cleared, if another channel becomes active) Application environment: Remote control switch,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, etc. Specifications: Item Type: RF Remote Control Receiver Module (1527 Encoding ) 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 Encoding: EV1527 1527 Learning Code Material: Plastic+Metal Color: Random deliveryIf you buy more, you may receive the same color or multiple colors) Size: 2812.3mm/1.100.48in (Approx.) Quantity: 1 PC (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 X Receiver Module (No retail package)