Specification
Working Voltage : DC3.3~5V    
Quiescent Current : ≤5mA    
Output current  : 10 mA    
Working Frequency: 433MHz( Others can be customized )    
Receive Sensitivity: -108dB    
Receive Distance:  15 meters above    
Frequency band: ±0.2MHz    
Working Temperature : -25~75

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)