Fangrui Product Details 1. Electric Garage Door Controller Rolling Door Roll Gate Remote Control Plug-chain Motor Receiver With Cable 2. Material: Plastic 3. Size: About 14x9.7x4 Cm 4. Frequency: 433mhz 5. Power Supply: Ac220v 50hz 6. Remote Control Distance: Within 50 Meters 7. Chip Model: Ev1527 8. Power Supply: Contains 23a 12v Lithium Battery 9. Scope Of Application: Suitable For 8-hole 6-wire External Motor 10. Features: 11. Universal Type With Eight Holes And Six Wires, Easy To Connect 12. The Shell Is Made Of Reinforced Plastic, Which Is Environmentally Friendly And Durable, With Strong Compression Resistance, Anti-fall And Anti-corrosion 13. Device Learning Code + Dial Code Dual Decoding Dual Purpose, You Can Increase The Number Of Handles At Any Time 14. 2 Read 20 Million Sets Of Passwords, Can Learn 20 Different Remote Control Handles, One-key Fast Switch, Fast Response Speed 15. The Integrated Superheterodyne Module In The Main Board, The Precision Components Are Integrated In The Sealed Area, Moisture-proof, High Sensitivity, And Increase The Signal Distance 16. Add Remote Control, Code Matching And Clearing Methods: 17. Learning Remote Control: Install The Dial Button On The Left And Right, Dial Back And Forth 4 Times Continuously, 18. Long Press Any Button Of The New Remote Control, The Receiver Indicator Flashes Quickly, And The Learning Is Complete. 19. Dial Code: Adjust Up And Down In Sequence According To The Dialing Method 20. Delete The Remote Control: Install The Dial Button On The Left And Right, Dial Back And Forth 6 Times Continuously, The Receiver Indicator Flashes Quickly, And The Code Clearing Can Be Successful 21. Install Left And Right 22. Operation Direction Adjustment: 23. Remote Control Switching Method: Press The Stop Button And The Up Button Of The Original Handle At The Same Time And Hold For Two Seconds, The Indicator Light Of The Remote Control Host Will Go Out, At This Time Please Release The Up Button, If The Indicator Light Returns To Light, Release It Again To Stop Key, The Host Indicator