MC-302 PG2 is a fully supervised two-way magnetic contact transmitter, designed primarily for protecting doors and windows. This highly reliable top-performance wireless device is easy to install and operate in a wide range of residential and commercial environments. It is compatible with PowerMaster burglar alarm systems. MC-302 PG2 is based on Visonic's ground-breaking PowerG technology which combines several field-proven advanced technologies and the highly reliable AES encryption method. The combination of technologies delivers an extended transmission range and battery life, and unmatched advantages for professional installers, central monitoring stations and end-users alike.