3PCS SOMMER 4031 TX08-868-4 4020 4026 TX03-868-2 4011 4021 4025 4035 Garage Door Remote Control Gate Opener 868MHz Rolling CodeRadio Control Remote Control Sommer 4026 TX03-868-2-XP 868 MHz Garage Door Gate Remote ControlComaptible withSOMMER 4020 TX03-868-4SOMMER 4026 TX03-868-2APERTO 4021APERTO 4025SOMMER 4011SOMMER 4025SOMMER 4031SOMMER 4035SOMMER 4025 BLUESOMMER 4026 TX03-868-2SOMMER 4020 TX03-868-44011V0004020V0004025V0004026V0004031V0004035V002Not compatible with SOMMER TX55 868Note1. new SOMMER remote. It can be easily programmed from your existing receiver unit.2.If you don't know how to use it, you can contact me to send complete and simple video programming instructions.3.If your original remote's LED light is green or yellow, it is not compatible.4.Access to receiver required. Please make sure you got access to your receiver/opener before purchase.5.Disclaimer: Before buying, please make sure your SOMMER remote control is 868MHz frequency and the LED light is red.Not compatible with SOMMER TX55 868Include:Remote ControlBatteryKeychainEnglish ManualProgrammingThe remote control is the same function as your original remote.it should programming with original receiver according to your original Manual when you get it.1. Locate the Learn / Code Set button on the motor. This is usually under the lamp cover, or on the back of the motor.2. Press the Learn / Code Set button once, then let go. A light should illuminate.3. Press the desired transmitter button once, and the light will go out.4. Press the remote again the the light will flash on the motor and then go out, signifying the remote has been coded. 5. Test the operation of the remote.