... . GSM-AUTO GSM remote control box(Teaching type , have the teach button on board)For GSM-AUTO series, We have the ... following type for customers to select:GSM-AUTO-NORMALGSM-AUTO-TEACH : Have the teach button on board ,very fast and easy to ... /900/1800/1900MHz (for all the world market project) Additional "Teach Button" can do the fast phone number programMore safety protection ...