3 Styles for Normstahl / Crawford 433 Garage Gate Door Remote Control Rolling Code Compatible with Crawford garage door opener Number of channels: 4 / 2 Frequency: 433.92 MHz Battery: 12V 27A / CR2032 Third-party remote control not made by Crawford Compatible Models: Normstahl / Crawford EA433 2KS Normstahl / Crawford EA433 4KS Normstahl / Crawford RCU433-2 Normstahl / Crawford RCU433-4 Normstahl / Crawford N002800 Normstahl / Crawford EA433 2KM Micro Normstahl / Crawford T433-4 Transmit distance: 2550 meters in open space (no interference, walls, doors, trees, or obstructions). Interference from garage doors or brick walls may significantly reduce range. New Remote Programming Instructions: 1) Open the Courtesy Lamp Cover to expose the "Learn" or "Code SET" button (located on the rear of the motor head if not under the cover). 2) Press the "Learn" button (*LED indicator will glow solid). 3) Press the remote button you wish to program LED indicator will turn off. 4) Press the same remote button again LED indicator will flash rapidly. Programming is complete when the flashing stops. 5) Close the Courtesy Lamp Cover. Package Includes: Remote Control Battery Keychain English Manual Professional certificate and quality assurance