100% brand new and high quality Instructions: How To Programming: 1. Delete existing data: Press learning button 8 times. Response: LED flashes 7 times. 2. Learning remote code: press learning key 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: Inching mode (Momentary Mode) Press twice: self-Lock Mode (Toggle-Mode of the 4 Channels) Press three times: interlocked mode (selected channel active and be cleared, if another channel becomes active) Features: Fine workership, stable and reliable security, high confidentiality. RF Signal can through walls, floors and doors, control switch receiver from any place within a reliable distance. Max range is up to 15m with no obstacle. Widly used for 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. Remote Control only, other accessories demo in the picture are not included! Tips: If your transmitters are not using the encoding EV1527, they will not be connection to the receiver. Specification: Module Material: Plastic+Metal Working Voltage: DC3.3-5V Quiescent Current: Less than 5mA Working Frequency: 433MHz Receive Sensitivity: -108dB Receive Distance: 15 Meters above Frequency band: 0.2MHz Working Temperature: -25 to 75 Working Mode: Inching, Self-locking, Interlocking The output: 4 channel CMOS level signal Corresponding to the remote control ABCD 4 buttons Compatible transmitter encoding type: EV1527 Color: As Pictures Shown Controller Dimension: 6.5x4.0x1.5cm/ 2.56x1.57x0.59in Quantity: 1 Set Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz 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 Pc x Receiver Module 1 Pc x Remote Control