We are confident that you will be happy with the t:slim X2 insulin pump however if, for any reason, you are not happy with our pump, we offer a a 60-day money back guarantee. For more information, read our Tandem warranty & returns policy found here or contact us on 1300 851 056. You can experience the simple touchscreen interface of the t:slim X2 insulin pump with Control-IQ technology on the FREE t:simulator App#. Download this educational tool on your compatible smart device today through The App Store or Google Play.