
Password Smart Entrance Lock for 35-45mm Door Thickness. Durable Material Construction: Made of aluminum alloy, ABS, and zinc alloy for long-lasting performance. Comprehensive 2-Year Warranty: Covers all mechanical defects with free service for the smart lock unit. Flexible Power Supply Options: Powered by 4xAA alkaline batteries with USB Type-C emergency charging. High Capacity User Storage: Supports up to 40 user codes and 10 master codes for versatile access. Automatic Reset Function: Features a default setting recovery method via reset PIN or master system. Multi-Scenario Application: Suitable for commercial, household, and industrial door usage. Global Export Experience: Manufacturer with over 15 years of experience exporting worldwide. Professional Technical Support: Dedicated engineering support available throughout the product lifecycle.