This TOPENS EKPKMJ4B PCB Print Circuit Control Board is the perfect solution for controlling your garage door and opener systems. Designed for use with AD5, AD8, PW502, and PW802 models, this small green board is easy to install and provides reliable control over your garage door opening and closing mechanisms. With a weight of just 0.55 pounds and package dimensions of 6.5x4.65x2.05 inches, this control board is easy to handle and transport. It is a great addition to any home improvement project involving garage door and opener systems.