Overview This garage door remote control is designed as a replacement for original accessories, offering reliable operation and broad compatibility. It provides a convenient, portable solution for users seeking to restore or enhance the functionality of their garage opening systems, with a compact keyring-ready design for everyday ease of use.Product Details This handheld transmitter operates at 433.92 MHz rolling code and is engineered to work with a range of Crawford/Entrematic garage opener models. Its durable plastic construction ensures long-lasting performance, while the included key ring allows for easy portability and quick access. Please verify compatibility with your specific opener before purchase to ensure proper function.Key Features 1. Wide Compatibility – Works with Crawford standard steel remotes including RCU 433-2, RCU 433-4, EA433 2KM, EA433 2KS, EA433 4KS, N002800, and T433-4. Also compatible with Entrematic Magic 600, Magic 1000, Ultra (post-2005 versions), and Ultra Excellent (post-2005 series) garage door openers. 2. Replacement-Oriented Design – Intended as a functional replacement for original accessories; please confirm device compatibility prior to ordering. 3. Compact & Portable – Features a small form factor and includes a key ring for convenient attachment to keys or bags, keeping the remote always within reach. 4. Durable Construction – Made from sturdy plastic materials to ensure reliable daily use. 5. Easy to Use – Ready to operate after simple compatibility verification—no complex setup required.Notes Color may vary slightly between production batches; this does not affect performance. Slight color differences may occur due to lighting or screen display variations. Product dimensions may have a tolerance of +/1–3 cm.Specifications Color: As shown in images Material: Plastic Frequency: 433.92 MHz rolling code Package Includes 1 × Garage Remote Control (Other items are not included.)