The GC02 Smart Deadbolt Lock is a practical, multi-functional electronic deadbolt designed for residential use, featuring a durable zinc alloy front lock with your choice of fire-rated ABS or aluminum alloy rear lock. It supports three convenient unlock methods—password, IC card, and physical key—with optional APP control for smart home integration, and operates reliably across temperatures from -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 reliable, weather-resistant, and cost-effective upgrade for home entryways.