3 Styles for Normstahl / Crawford 433 Garage Gate Door Remote Control Rolling Code Feature: 1) Compatible with: Crawford 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 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 - 25-50m in open space. Open space means no interference. No walls, doors, trees, or other obstructions. Interference such as garage doors or brick walls can reduce remote control range significantly. New Remote Programming Instructions: 1) Open the Courtesy Lamp Cover to expose the "Learn" or "Code SET" button. Otherwise, it is located on the rear of the motor head. 2) Press the "Learn" button (* LED Indicator will glow solid). 3) Press the Remote button you want to control the door - LED indicator will extinguish. 4) Press the same Remote button again - LED indicator will begin to flash rapidly. Programming is complete once the LED Indicator stops flashing. 5) Close the Courtesy Lamp Cover. Includes: - Remote Control - Battery - Keychain - English Manual - Professional certificate, quality assurance