Universal Compatibility: Designed to work seamlessly with NS 2 and NS 4 gate systems, ensuring a perfect match for models 1841064 and 1841026. Advanced Security: Utilizes a 433.42MHz rolling code technology that enhances security by generating a new code with each use, preventing unauthorized access. Convenient Design: For easy operation, allowing you to open or close your garage gate effortlessly. Durable and Reliable: Built to last with high-quality materials that withstand various weather conditions, ensuring long-term use. Colour:Black Material:plastic Package Contents: 2 x Remote controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.