The Mimio 1891701 70" LED Display delivers a great instruction and engage your students in a more collaborative learning experience. It allows multiple students to work together interactively at the same time with the class increasing the student engagement and driving collaborative learning. Its huge size and LED backlighting make your lessons more visually striking and memorable even in large classrooms. Stylis and fingers can both be used in any combination for quick and easy interactivity. Its surface is made of low-glare and low friction glass making this display easy to see and provides a smooth touch experience. It is easy to setup with no need for other devices.