OAE 333A STAINLESS STEEL PER ARM ONLY / AUTOGATE SYSTEM COME WITH :- OAE 333A ARM GATE x 1pcs WALL / DOOR BRACKET ( RELEASE KEY ) x 1pcs ( Optional ) How long is the warranty? A: 1 year manufacturing warranty exclude faulty during installation (when you install by yourself) How to do the warranty if the item is problem ? A : Obtain the address from us, and then send the product back for warranty (personal delivery is not supported, only express delivery)