[Compatibility of 813lmx Garage Remote]811lmx garage door remote for commercial door systems using 813LMX/813LM/850LM/860LM/STAR1000 operator or receiver. The for lift master garage opener remote replacement does not work for residential garage openers such as 8550 and 8360.Please make sure you have a commercial door system before purchase. [Programmable 12-dip Multicode Garage Door Remote]813LM/813LMX for lift master gate opener is easy with simple 3 steps programming, no tools are needed. If for receivers of security2.0+, only 2 steps to program. [Enhanced Security]The 811lm multi-code garage remote replacement 12 dip code switches that provides up to 4096 codes.This 813lm remote substitute for has encrypted digital signals, giving more reliable security than standard digital signals. [More Remotes Used At the Samte Time] A total of 20 to 50 for lift master 813lm remotes can be set for your receiver. You can just match the for 811lmx remote with the code in the existing remote. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color: As Shown Material: plastic Package Contents: 4 x Garage Door 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.