The Yale Assure Lock 2 Wi-Fi Keypad Smart Lock in Satin Nickel is a modern, keyless entry system suitable for front doors, entrances, and security doors. This rectangular keypad smart lock features a sleek satin nickel finish with a black color and includes a key for backup access. It is compatible with Amazon Alexa for smart home integration and requires 4 AA batteries for operation. The lock is universal/reversible for both left and right-handed doors, making it a versatile and secure choice for home improvement projects.