Large 5-inch high definition advanced touchscreen. Choose the right scanning option for your application: SE4170 for scan intensive applications; SE4100 for light to moderate scanning; base model (no scanner) for occasional barcode capture via the 13 MP camera. Mobility DNA Professional integrated solutions are preloaded and pre-licensed provided at no cost. To take advantage of the complete Mobility DNA offerings for the TC21/TC26 a Mobility DNA Enterprise license is required. Optional Workforce Connect Push-to-Talk (PTT) Pro Mobility DNA software application that provides instant PTT walkie-talkie style calls inside and outside the four walls via an easy-to-deploy subscription service. First in its class to offer Android 10 with built-in support for future Android releases provides superior future-proofing.