The Xiaomi Self-Install Smart Lock in grey is a modern security solution designed for interior doors, allowing you to set it up yourself without needing professional help. It operates via Wi-Fi and utilizes the MJA1 chipset to ensure stable connectivity, while its end-to-end software and hardware protection is certified by the EU cybersecurity authority for reliable peace of mind. Measuring 141 × 60 × 59 mm and weighing 538 g, this battery-powered lock features a compact build that fits naturally into various home aesthetics. It supports a multi-ecosystem mode for easier integration with your other smart devices and is built to function in temperatures ranging from -10 °C to 55 °C. Since this specific version comes without physical keys, it is an ideal choice for those who prefer a fully digital entry system for their interior spaces.