Color: Satin Nickel 6-in-1 Keyless Entry: Unlock via the app, fingerprint (stores 20), unlimited one-time codes, 100 custom PINs, 2 physical keys, or voice commands. All access methods can be remotely and quickly programmed through the app; no manual input is needed. Built-in WiFi, No Hub Required: Control your lock from anywhere via the app. With built-in 2.4GHz WiFi, you can remotely lock/unlock, check the lock status, and manage access for family, guests, or service providers. Fast, Secure AI Fingerprint: The AI self-learning chip recognizes fingerprints in 0.2 seconds with a 99.99% recognition rate. Over time, it improves accuracy, ensuring quick access for you and trusted family members. Seamless Voice Control: Compatible with Amazon Alexa and Google Assistant for hands-free operation. Simply use voice commands to lock or unlock your door, ensuring both convenience and security. Multiple Password Types & Anti-Peeping: Manage passwords along with 100+ permanent, recurring, time-limited, or one-time codes, suitable for various types of users. Create and delete items with full customization. The anti-peeping feature allows entering random numbers before and after the correct password, effectively preventing password leakage. Auto-Lock & One-Touch Lock: Enable auto-lock (10-180 seconds) in the app for peace of mind after entering, or use the one-touch lock on the keypad when leaving for instant security. Additionally, the smart door lock features a vacation away mode, keeping your home well protected even when you're away for extended periods. Real-Time Alerts and Monitoring: Know who comes and goes, instantly. Receive real-time app notifications whenever the door is locked or unlocked. The detailed access log shows who entered/exited, their method (fingerprint/code/key), and the exact time. Security & Durability: Passes BHMA/ANSI Grade 3 test, built with a solid zinc alloy lock cylinder and IP55 waterproof. 8-batterys (not included) design ensures stronger signal stability and up to 98% longer battery life than other WiFi locks. Receive low-battery alerts via the App or keypad backlight. All data is stored locally with AES-128 encryption. Easy DIY Installation: All hardware is included you only need a screwdriver to complete the installation. Designed to fit most standard U.S. doors (1-3/8" to 2" thick) and works for both left- and right-handed doors.