REPLACEMENT FOR GARAGE REMOTE CONTROL: Specifically designed for Hormann EcoStar models including RSC2-433, RSZ1-433, RSE2-433, RSE4-433, RS2-433, RS4-433, RSN2-433, RSM4-433. This remote operates at a frequency of 433.92MHz, ensuring seamless functionality with your existing garage door system. COMPATIBILITY LIST: This remote control is fully compatible with Hormann Liftronic 500, 700, 800, and Portronic D2500, D5000, S4000 garage door operators. It is designed to integrate with these specific models, providing reliable and efficient operation. INCOMPATIBILITY INFORMATION: This remote is NOT compatible with Ecostar BS Series (RSC4-433-BS, RSZ1-433-BS) and Liftronic 700 Series 2, Liftronic 800 Series 2. For compatibility questions, customer service is available to assist. DESIGN AND DURABILITY: Features a sturdy base and a practical design for everyday use. The bottom opening allows easy attachment to a keychain, making it convenient to carry. Color: black. Material: plastic. Due to different production batches, there may be slight variations in appearance and printed text, which do not affect performance. PACKAGE CONTENTS: 2 x Garage Door Remote Control. Only the items listed are included; other accessories are not included. Note: Lighting and display settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3 cm.