Liftmaster 811LM Single Button Remote Control This product is for use with models 850LM and 860LM universal receivers as well as any Security+ 2.0 compatible LiftMaster gate operators. Encrypted DIP style single-button remote control Features Security+ 2.0 technology Ideal for applications such as gated communities or commercial applications requiring a large number of remotes for a common entrance CUSTOMERS OUTSIDE THE CONTINENTAL USA MUST CONTACT US FOR A FREIGHT QUOTE PRIOR TO MAKING A PURCHASE. CONTINENTAL USA SHIPPING PRICES DO NOT APPLY TO PUERTO RICO , ALASKA, GUAM, CANADA & INTERNATIONAL.