Door signaling made easy at Harris Communications When you simply want to know when you have a guest to your dorm or one room apartment door, a standalone door knock signaler will do the job. These door signaling units…
Tag: Door Knock Signaler
Back-to-School Savings at Harris Communications
Back-to-School Savings at Harris Communications Shop for Back-to-School at Harris Communications and receive 15% discounts on all our alarm clocks, watches, and door knockers.* —Save $7.04 on the Sonic Boom “The Skull” Alarm Clock (SA-SBS550BC). —Save $26.99 on the Krown…