Intelligent door lock, color Black, supporting four unlocking methods: APP, fingerprint, al key and IC card. Designed to make daily access more convenient and adaptable to different needs. Key benefits Multiple reliable ways to unlock: choose APP, fingerprint, al key or IC card depending on convenience and circumstances. Reduced risk of being locked out: backup al key and IC card options complement biometric and app access. Faster, more convenient entry: fingerprint and IC card unlocks take seconds, while APP unlocking adds flexibility for mobile control. Simple integration into everyday life: one lock covers , family, and shared access scenarios without extra devices. Main features and attributes Function: intelligent electronic door lock with four unlocking methods for flexible access management. Color: Black finish for a neutral, modern look that fits many door styles. Compatibility: Designed for use as a primary lock on entry doors where intelligent locks are appropriate. Check door preparation and strike plate dimensions before installation. Size and installation: Fits common door setups for smart locks; refer to door measurements and installation instructions to ensure proper fit. Performance: Supports fingerprint recognition and IC card reading for quick unlocks, plus APP control and al key backup for reliability. Practical use scenarios Residential front door: Provide family members with fingerprint access, issue IC cards for guests, and keep an al key as an emergency backup. Office or small business: Control staff entry with IC cards, manage temporary access through APP where available, and use fingerprints for fast entry. Short term rentals or property management: Use APP and IC card options to provide flexible access to guests while retaining al key backup. What this product solves Eliminates reliance on a single entry method, reducing lockout risk. Makes daily entry faster and more convenient through biometric and card options. Adds flexible access control for households, workplaces, and rental properties. Notes Color is Black. Unlocking methods supported: APP, fingerprint, al key, IC card. Confirm compatibility with your door type and follow installation guidelines for results.