The copyable chip model has a learning range:1. HT-12E, 2. AX5326-3, 3. AX5326-4, 4. AX5026, 5. PT2262, 6. PT2242, 7. HT600, 8. HT680, 9. HT6207, 10. HT6010, 11. HT6012 12. HT6014, 13. MC145026, 14. HT640, 15.EV1527, 16.527, 17.PT2260, 18.SMC918, 19.SMC926, 20.HT12D, 21.PT2240B Duplication and regeneration of wireless remote controls for barriers, garage doors, etc. The scope of application of copy remote control:Ordinary fixed code (chip type 2260, 2262, 2264), learning code (1527, 2240) remote control. Product name: Multi-frequency four-button copy remote control Working voltage: 6V Encoding type: copy, copy Working frequency: multi-frequency 300-868MHZ Number of keys: four keys Colour:Blue&Black Material:plastic Package Contents: 1 x Garage Door Smart Remote Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.