[COMPATIBILITY] RB741 FM135 remote control compatible with for Mighty Mule and GTO gate opener,such as 350,500,502, MM260, MM271, MM360, MM371W, MM372W, MM560, MM562, MM571W, MM572W, MM600, MM660 etc [MORE CONVENIENT] remote control with improved signal range,works for your RB741 FM135 remote control with a distance up to 100 FT.Open the garage door remotely directly in the car, no need to get out. [EASY TO PROGRAM] Easy to Program and Carry: easy to operate and program, just follow the steps to complete your own code settings, highly safe and reliable, small size, light weight, easy to carry. [COMPLETE SET] You will receive 3 pieces of RB741 FM135 remote control, The built in battery,a whole for key-ring or key chain, easy to carry. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Plastic Package Contents: 3 * Gate Opener 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.