The DS70 Smart Handle Lock is a durable and versatile electronic handle lock crafted from high-quality aluminum alloy, designed for modern residential use. It supports three convenient unlock methods—fingerprint, password, and physical key—with optional APP control for smart home integration, and operates reliably across a wide temperature range of -25°C to 70°C. Powered by 4 AA batteries and equipped with a Type-C emergency power interface to prevent lockouts, it meets FCC/FCCID certification and BHMN Level 3 security standards, making it a practical, weather-resistant, and secure upgrade for any home entryway.