"PowerCode" Technology, Over 16 Million Combinations Superior Transmission Distance Fully Supervised Status with PowerMax Panel Long-Life 3.6v Lithium battery included Low Battery LED Signal The MCT-302 is one of the smallest wireless magnetic contacts in the industry.

It features a built-in reed switch and an auxiliary hardwired input, programmable as either N.C. or N.O. with an End-of-Line (E.O.L.) resistor.

The auxiliary input can be used with additional products, such as pushbuttons, detectors, magnetic contacts and more. An LED lights during transmission, whenever alarm or tamper signals are reported.