Occupancy Indicator Locks The occupancy indicator offerings from Arrow continues to grow with additional features and functions to the E Series product line and our Schlage or Best Retrofit Indicator Kits. When you need top level privacy and/or safety, look no further than the lines of occupancy indicators by Arrow. APL Series Cylindrical Indicator Lock Occupancy Indicator DeadboltThe new and improved Arrow E Series occupancy indicator d… Retrofit Indicator Kits for Best® and Schlage® Mortise LocksIndicators can be used in a variety of applications and a…