General description You will receive 5 universal door openers with buckles that can be hung on clothes, pants, bags, etc. These remote controls are easy to carry and sufficient to meet your replacement needs. They are compatible with a wide range of IC models, making them versatile for various garage door systems. Technical specifications Frequency: 433MHz Number of buttons: 4 Compatible IC models: PT2260, PT2262, PT2264, PT1527, PT527, PT1587, PT1827, HS2260, HS2262, HS2264, HS2240, HS1527, HS527, HS1587, HS1827, RT2260, RT2262, RT2264, RT2240, RT1527, SC527, SC1587, SC1827, SC2260, SC2262, SC2264, SC2240, SC1527, SC527, SC1587, SC1827, EV262626262626262, EV2264, EV2240, EV1527. Installation To clear old codes: Press and hold the A and B buttons until the LED indicator flashes, then release any button to test. If the LED indicator flashes instead of flashing continuously, the code has been cleared. To copy a remote: Place the universal remote control next to the old remote control;