Electronic Code Switch Kit

Keyboard with ten buttons allows you to enter a four digit code.
If you get it right, then the relay is activated.
You can hook up almost anything (500 Watts) through the relay, such as an electronic lock.
A low cost solution with high end results.
The kit is a 10-key 4-digit coding for up to 3000 combinations for maximum security.

Specifications

Power requirement : 12V.

Current consumption: 40mA. max (output on)

Maximum load: 10A @ 110VAC

Recommended housing : FB16

PCB dimensions : 2.38 X 2.77