Description <br> Description: <br> The wireless receiving controller has the characteristics of high confidentiality, large storage capacity, stable performance and low power consumption. <br> The working voltage range is wide, 12-48 volts can be used, and can be adapted to various domestic and foreign customers. <br> Durable, life is generally several times longer than the resistance to voltage reduction. <br> Widely used in many kinds of equipment control. <br> Size:62x46x20mm/ 2.44x1.81x0.79inch <br> Specification: <br> Technical parameter <br> 1. Working Voltage: 12-48V <br> 2. Static Current: 10mA <br> 3. Working Current: 20mA-30mA <br> 4. Working Temperature: -20-80 degrees Celsius <br> 5. Receiving Sensitivity: -103dBm <br> 6. Working Frequency: 433 Frequency <br> 7. Size: 62mm*46mm*20mm <br> Usage and wiring diagram <br> 1. Two learning keys (LEARN1 and LEARN2) on the controller correspond to two relays respectively. <br> 2. Learning Style <br> Click: Press the learning key 1 to release, press any key of the remote control immediately, flash the indicator five times, indicating that the first relay is successful in learning; press the learning key 2 to release, repeat the above steps, and learn the second relay; <br> Self-locking: Press three times learning key 1 to release, press any key of remote control immediately, flash five times of indicator lamp to indicate that relay No. 1 is successful in learning, press learning key 2 to release, repeat the above steps and learn relay No. 2; <br> 3. Clear code: Press the learning button for a long time until the light is out. <br> Package Includes: <br> 1 Piece Controller <br> 1 Piece Remote Control <br> Note: <br> Paper instructions and wiring diagrams are not included in the shipment. Please be sure to check this link to see how to use it to avoid unnecessary trouble. <br>