Features: [Multi-band Compatibility]This 20-channel multi-frequency copy remote control features broad-spectrum compatibility, effortlessly adapting to devices across multiple brands and models. [Convenient Copy Function]Equipped with an intelligent copy chip, it quickly replicates existing remote control, eliminating the need for complex setups procedures. [Durability Construction]Crafted from highly quality plastic and metal, ensuring long-term use against wear and tear. [Energy-Efficient Design]Low-power electronic components extend battery life, minimising the hassle of frequent replacements. [Ergonomic Design]Intuitived button layout offering comfortable handling and straightforward operating. Specifications: Component: plastic, electronic components, metal Size: 80x40mm/3.15x1.57in Color： Optional supports 20 channel copy function, and is suitable for remote controls of various brands. For Rolling shutter door, garage door, telescopic doorway gate, community platform, duplicate key Package Includes: 1PC 20 channel copy remote control note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.