LED window signs are super-bright, indoor, electronic message centers.  Our LED window signs operate with PC Software or on our Cloud and can be controlled by multiple users from any pc, Mac, phone or tablet with an internet connection and browser. Virtually unlimited advertisements can rotate and even be scheduled through the power of  Cloud based Software. A lifetime subscription to Surefire Cloud is included with each sign. These Indoor electronic message center signs fit inside a window and come ready for installation. The following connectivity options are built in: Wi-Fi, Ethernet and USB upload. Each sign's cord is ready to plug into a standard electrical outlet.