Use range: 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. Precautions: 1. Before using our copy remote control to copy, first clear the existing code of the self-copy remote control. 2. The self-copy remote control cannot copy the rolling code, such as HCS301. Type: B Technical parameter: Product name: Multi-frequency four-button copy remote control Working voltage: 6V Encoding type: copy, copy Working frequency: multi-frequency 315Mhz Number of keys: four keys Material: plastic colour: black Package Contents: 1 x Garage Door Opener Remote(ABCD symbols) 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.