Come and see our amazing products. The garage door opener remote replacement adopt the high level of encryption security+ 2.0 rolling code technology, works with frequency 310/315/390MHz, prevents others from invading your home. The keychain garage door remote has 4 buttons allow to control 4 garage door openers respectively, save your trouble of carrying multiple remotes. The garage door remote has a 120 feets work range, control your garage door openers from driver's seat for "no waiting" roll-in access. Pls confirm with us about the packing info, stock color and exact production time before placing your order.