3 Styles for Normstahl / Craw 433 Garage Gate Door Remote Control Rolling Code Feature: 1) Compatible with: Craw garage door opener. 2) Number of channels: 4 / 2 3) Frequency: 433.92MHz 4) Battery: 12V 27A / CR2032 5) This is a third-party remote control. NOT made by Craw. Compatible Models: Normstahl / Craw EA433 2KS Normstahl / Craw EA433 4KS Normstahl / Craw RCU433-2 Normstahl / Craw RCU433-4 Normstahl / Craw N002800 Normstahl / Craw EA433 2KM Micro Normstahl / Craw T433-4 Transmit distance: 25-50m in open space. Open space means no interference. No walls, doors, trees, or obstructions. Interference from garage doors or brick walls may significantly reduce range. New Remote Programming: 1) Open the Courtesy Lamp Cover to expose the "Learn" or "Code SET" button. If not located there, check the rear of the motor head. 2) Press the "Learn" button (*LED indicator will glow solid). 3) Press the remote button you wish to assign to the door – LED indicator will turn off. 4) Press the same remote button again – LED indicator will flash rapidly. Programming is complete when flashing stops. 5) Close the Courtesy Lamp Cover. Includes: Remote Control Battery Keychain English Manual Professional certificate, quality assurance