A keypad smart doorknob lock is a modern, secure entry solution that replaces a traditional door knob with an electronic lock featuring a numeric keypad and smart access features. It lets you lock and unlock your door using customizable PIN codes, eliminating the need for physical keys, and often supports additional access methods such as Bluetooth, Wi‑Fi connectivity, or integration with smart home systems. Designed with robust materials and tamper‑resistant mechanisms, it enhances home security while providing convenience—temporary codes can be shared with guests, workers, or family members, and usage logs can be tracked on a companion app. Easy to install on most standard doors, a keypad smart doorknob lock combines convenience, control, and peace of mind for modern living.