How to program: 1. Press the top two buttons (A and B) simultaneously for about 3 seconds until the LED flashes quickly (Please complete this step before moving on to the next one). 2. Place the replacement remote key and the original one as close as possible. With this replacement remote key, you can clone all 433.92MHz fixed code key fobs based on the supported IC. Please read the 3 points carefully before purchase to meet the conditions, so as not to be incompatible after purchase: As long as you meet the following 3 conditions, our "pair copy remote control" can easily configure your remote control in 2 seconds: The original remote control can be used normally. The original remote control must be 433M, and it can be copied only after the code is cleared successfully. The coding IC of the original remote control is PT2262 PT2264 SC2262 SC2260 HS2262 2260 LX2262 2260 EV1527 PT2240, etc. 2 Pack Universal Remote Control, Fixed Code, with Frequency of 433.92 MHz Clone Key Remote Car