The DS50 MINI Smart Deadbolt Lock is a secure, easy-to-install electronic deadbolt designed for residential use, featuring a durable aluminum alloy front lock and a choice of fire-rated ABS or aluminum alloy rear lock for long-lasting reliability. It offers flexible access with password and key unlock (with optional APP control for smart home integration), operates dependably in temperatures ranging from -25°C to 70°C, and runs on 4 AA batteries with a convenient Type-C emergency power interface to prevent lockouts. Certified with FCC/FCCID approvals and meeting BHMN Level 3 security standards, this deadbolt works seamlessly with various door handle styles, combining robust protection, user-friendly features, and versatile compatibility for a modern home security upgrade.