1-20pcs Ditec Gol4C Remote Control 433.92MHz 433 Garage Door Gate Opener 4 Button Replicator DITEC GOL4C Fixed Code Key Fob Description: 1.Type of programming: Clone 2.Number of channels: 4 3. Code:fixed code 4. Frequency: 433.92MHz 433MHz 5.Woring Range: 10-50 m (open space) 6.Power supply: 12V 27A / CR2032 7.Remote come with Battery !!! Compatibility list: DITEC GOL4C Note: Cloning of DITEC 433mhz fixed code only How to Program ace to face copy your original remote control Step:1:Clear the history code from duplicator 1:Press button A and B continuously until LED flash 3 times 2.Release button B (Keep pressing button A),and press button B Slowly for 3 times,LED flash 3.Release button A ,finish code clearance. Step 2,Copy code from original transmitter 1. Put duplicator aside of original transmitter,as close as possible. 2. Press and hold button A of original transmitter,then press and hold button A of duplicator until you see the duplicator is LED flash 3. Release both buttons,finish code copy,copy other button in same way. Button A= Lock button Button B=Unlock button If you encounter any problems with our remote control, please contact our customer service, we provide free video, teaching programming. Reply within 24 hours. Include Remote Control Battery English Manual