Set of 4 868MHz Remote Controls for Gates and Garage Doors, including remotes 4020 TX03-868-4, 4026 TX03-868-2, 4020V000, and 4026V000, 4-Channel Gate and Garage Door Remotes

General Description: This set of four 868MHz remote controls is designed to open garage doors compatible with models 4020 TX03-868-4, 4026 TX03-868-2, 4020V000, 4026V000, 4021, 4025/4025V000, 4031/4031V000, and 4035/4035V002. These replacement remotes are not original equipment manufacturer (OEM) models, but they offer reliable and secure functionality. Technical Specifications Frequency: 868 MHz Range: approximately 50 m (depending on the environment) Dimensions: 87 x 24 x 16 mm (closed) Battery: 3V, CR2 (integrated) Encoding Method: Rolling code, encoding by the door motor Compatibility and Accessories Compatible with models: 4020 TX03-868-4, 4026 TX03-868-2, 4020V000, 4026V000, 4021, 4025/4025V000, 4031/4031V000, 4035/4035V002 Included in the package: 4 remote controls, integrated battery, user manual Installation To program the remote control, follow these steps: Locate the radio receiver on the circuit board (red button or marked "CODE" or "RADIO"). Press the learning button (A) on the radio receiver. Press the desired button on the remote control (B) to transmit the radio code to the receiver. Repeat this procedure to program other remote controls. This remote control is designed for convenient and secure use, with a modern stainless steel design and a clip for attaching it to a keychain. The sliding cover helps prevent accidental activation. Other information: Note: Not compatible with devices operating at 433MHz.