Keyguards are plastic plates used on top of a TD Navio screen to facilitate communication. Their 3D grid structure makes buttons and keys simpler to find and push, making the device easier to use. Keyguards come in many different software configurations, keyguard types and grid sizes. Please contact us to discuss your needs so that we can guide you in finding the right options. Please note that TD Navio Keyguards require a to stay in place. This comes included with TD Navio devices and is also available to purchase as a spare or replacement.