Various Ways to Use Simultaneously: The 433MHz wireless remote control is equipped with 4 buttons for four different copying methods. One remote control can use four different installation methods. Multiple Functions: Remote control keychain, convenient for cars, garage doors, gates, light doors, car/motorcycle alarms, home security products, and more. Design: These anti-volume remote control duplicates have a beautiful shape, strong signal for transmission, one button, and a metal casing. Fixed Frequency: The universal clone remote control is suitable for 433MHz, and the transmission distance is 50-100m outside the door. Note: This clone remote control cannot clone 433MHz remote controls without rolling code or MEGA code. Please check the type of your original remote control before using Commander. Description: Each remote control has 4 buttons, allowing you to control the devices accurately. The remote control is suitable for doors, short-range wireless remote controls, home automation electrical appliances/lamps, industrial control products, etc. Note: Please note the following points before ordering. This universal remote control is only compatible with 433MHz (433.92MHz) frequencies and is not suitable for 315MHz, rolling code, or CI modes. Please check if your original remote control or garage door system is 433MHz before purchasing. Note: Remote control chips are only compatible with the following chips; other types of chips are not supported. Please confirm your original chip model before placing an order. Compatible chips: 2260 (such as PT2260, SC2260, LX2260, HX2260, etc.). 2262 (such as PT2262, SC2262, HS2262, HX2262, etc.). PT2264, PT2240 (LX2240), CS5211, 1527 (EV1527, HX1527). SMC918, AX5026, SMC926, AX5326-3, AX5326-4, HT600, HT680, HT6207. HT6010 HT6012 HT6013 HT6014 HT12D HT46F49E PIC16F630. HCS101, HCS200 HCS201 (some, not all), HCS300 HCS301 (some, not all). How to use: Hold the original remote control in one hand and the copy in the other. The two remote controls should be as close to each other as possible. (The two remote controls should be pressed against each other on the desktop nearby.) Press the desired buttons respectively. The LED indicator flashes three times quickly, then quickly. Code matching succeeded. Note: 1. Some remote controls have low transmission power. Therefore, you must use the original remote control and copy the function back to back from the remote control. 2. If there is any interference, avoid it during the operation. 3. If the result is not satisfactory, repeat the operation after copying the file.