Power Rating: Operates at 3.3V–5V DC – perfectly compatible with Arduino and other microcontrollers.

Type: 4x4 Matrix Keypad – consists of 16 tactile push buttons arranged in a grid (4 rows × 4 columns).

Compatibility: Works with Arduino, Raspberry Pi, ESP32, and most development boards using simple digital I/O pins.

Connection Interface: Uses an 8-pin interface for row and column scanning, allowing efficient key detection with minimal pins.

Operation: Supports characters like numbers (0–9), letters (A–D), and function keys (*, #) – ideal for menu navigation or password input.

Build Quality: Made from durable plastic with soft-touch buttons and a flexible membrane design for smooth operation.

Ease of Use: Ready-to-use with Arduino Keypad Library – simple coding and wiring for quick integration.

Applications: Perfect for access control systems, calculators, security panels, and interactive electronic projects.