Stanley Garage Opener Safety Sensor Fits Stanley model garage door opener . It is NEW,with instructions, Original Stanley part and is in perfect condition This sensor was designed to work with openers with serial code sequence xxxx.48 or higher (example 3220.48 or 7100.48) for 1988 and newer models includes plug-in power pack to supply the 12DC that it runs on. stk#(644)A2
