【Dynamic Aging Passwords for Enhanced Security】Stay one step ahead of intruders with dynamic aging passwords that constantly change for added security. Ideal for ensuring your personal and family safety at all times 【Imported Chips for Reliable Performance】Equipped with premium imported chips, the lock ensures rapid fingerprint recognition, seamless connectivity, and consistent performance for both everyday and advanced use 【Convenient NFC Functionality】Unlock your door with a simple tap using NFC technology. Perfect for modern, contactless access with compatible devices, ensuring effortless and secure entry 【Tuya App Remote Unlocking】Control and monitor your door lock remotely through the Tuya app. Whether unlocking for a guest or checking access logs, you have complete control from your smartphone anywhere, anytime 【Type-C Emergency Charging for Uninterrupted Access】Never get locked out again with the Type-C emergency charging port. Even when the lock’s battery is depleted, you can quickly recharge and regain access in no time Specifications: Model: A1 Scanning time: False recognition rate: Rejection rate: Working humidity: 20-60(%) Working temperature: -25-60(℃) Stored fingerprints: 50 Unlock times: 100,000 times Comparison method: 1:n Applicable life: 100,000 times Power supply: DC Power type: 4 x AAA alkaline batteries (not included) Unlocking method: password, key, card, fingerprint, mini program temporary password