KeylessFactory - Garage Door Remote Opener - Compatible with multi-code receivers model 109950 and 302850 receivers Dormitory and the CodeMax AA does

and the CodeMax AA does the rest

Test key fob signal strength and battery status

no need to download software

average Environmental Temperature: -20° ~ +60° C /-4° ~ +140° F

KeylessFactory - Garage Door Remote Opener - Compatible with multi-code receivers model 109950 and 302850 receivers Dormitory and the CodeMax AA doesReplacement of 300 MHz multi code receivers garage door opener as well as model 109950 and 302850 receivers. Features compatible with 300 MHz multi code receivers as well as model 109950 and 302850 receivers controls two separate openers includes visor clip programming video and instructions provided with purchase aftermarket replacement