Check the listing for details. Tusa MC-5000 Liberator Mask Corrective Lens. Condition: New. Listed at 24.95 USD. Tusa MC-5000 Liberator Mask Corrective Lens PRODUCT DESCRIPTION These corrective lenses can be inserted into the TM-5700 Liberator Plus and the TM-5800 Liberator Plus Hyperdry masks. Available in 0.5 diopter increments from -1.5 to -8.0 for left and right lenses. FEATURES Available in Left and Right. Negative Diopters: -1.5 to -8.0. Compatible Masks: TM-5700 Liberator Plus, TM-5800 Liberator Plus Hyperdry. We ship Monday-Friday 8:30AM - 5PM of EST While some orders will not be shipped out same or next day, they will be delivered by the estimated delivery date. If you desire the item sooner, please, choose expedited shipping options. Tracking: Our system will automatically update you with the tracking info once the order is shipped. To ensure the safety of your items, orders that are valued over $100 may require signature confirmation. Please, contact us through messaging if you need more information on the product