Operating voltage - 12V 27Ax1 (battery included) Transmit distance - 5-50m in open space. Open space means no any interference. No walls, no doors, no trees or any other obstructions. Interference like garage door or brick wall can reduce remote control range significantly. Comaptible with 4014 TX03-434-2 4022 TX03-434-2 4013 TX02-434-4-XP Specification: Green LED and Orange LED Decoder IC - Rolling Code Frequency - 434.42MHz tip:Third production Note: Access to receiver required. Please make sure you got access to your receiver/opener before purchase. Disclaimer: Your remote control must be the same as the picture and your model must be in the list, we will not be responsible for wrong purchase Programming The remote control is the same function as your remote.it should programming with receiver according to your Manual when you . 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