4020 TX-03-868-4This remote is a cutting edge, 4-channel rolling code remote control compatible with your system.The hand-held transmitter impresses on the one hand with its compact and handy design and on the other hand with its simple commissioning and operation. With its four channels, you can teach in and control up to four different drives.It's a , robust replacement which includes protective sliding key cover.This remote pairs with your receiver unit just like the original. Full, easy programming instructions are included.Comaptible with4026 TX03-868-24020 TX03-868-44031402540114035APERTO 4025APERTO 40214020V0004025V0004026V0004031V0004011V0004035V002IMPORTANT!!!Not compatible with 868 MHz SOMloq2 (Pearl, Pearl Twin, Pearl Vibe hand-held transmitters)Include:* Remote Control* Battery* Keychain* English 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.