Product Description ·4×5 Matrix Micro Switch Keypad with 8 LEDs ·61 x 51 x 12mm (l x w x h) ·20 Buttons ·16 Switch Matrix ·4 separate switches ·8 LEDS ·3.2 – 5V input ·Includes 4 standoffs and screws ·Mounting holes (55/45mm) ·Designed to be compatible with standard 2.54mm sockets ·Package include: ·1pc 4×4 Keyboard Buttons Keypad Matrix LED Marquee Independent keyboard Smart Car