Entry Alerts will notify you of the entry or exit of customers. It also helps control access to the storeroom, detect movement in sensitive locations such as behind counters, showcases etc. Combine with any of our simulated security cameras or security mirrors to track what is going in your store and prevent theft. Choose from Store Supply’s wide selection of Entry Alert systems, all entry alert systems are in stock and available for SAME DAY shipping on orders placed before 3:00pm! If you have any questions about our store security products or would like to place your order over the phone with one of our LIVE Store Supply Warehouse Consultants, don't hesitate to call 1-800-823-8887. Guaranteed satisfaction!