Features: New and high quality. Copy and control any remote with the SOB02-KB circular two-button copy remote. Equipped with SA901A main control chip for online programming and repeated burning, enabling easy copying of remotes within the same frequency range. Built-in EEPROM allows for fast and convenient use in car remote, lighting control, and smart home applications. Operates at 315MHz/433.92MHz and powered by a CR2032 button battery. Made of durable ABS material, lightweight and compact design measuring 50x50x14mm with casing. Low static current and transmission power make it suitable for various devices. The SOB02-KB offers a user-friendly copy function, ideal for controlling cars, lights, or home automation systems. Easily learn new codes and manage multiple remotes. Suitable for use in garages, home theaters, or any environment requiring multiple remote controls. Compact size allows for easy portability. Keep out of reach of children and do not exceed the recommended voltage range. For optimal code copying, place both remotes close together to avoid interference. Specifications: Color: White, Black (optional) Operating frequency: 315 MHz / 433.92 MHz (optional) Battery type: CR2032 button battery (1 included) Working method: Copy Shell material: ABS Product size: 50 x 50 x 14 mm Working voltage: DC 2.4–3V Emission current: Low power consumption