Garage Door Opener/garage door operator Features:1) Adopts C-type galvanization rail, power-off auto locking system with national exclusive patent, the garage door can be locked automatically when power-off occurs during operation2) Advanced rail structure with national patent, instruction only requires connecting motor head and rail, and adjustment of rails is not necessary3) Auto travel memory, travel switch is not required, adjustment of garage door switch is accurate, convenient so fault rate is very low4) Advanced slow start and stop technology, reducing wallop effectively so as to move smoothly, quietly and have longer working life5) Auto detect and set load force and closing open close door load force, manual adjustment is not required, higher protective sensitivity when door meets barrier6) Distinctive auto delay door-closing system, considerable safety function, the door will close automatically if you forget to close the door, auto close door delay time can be set from 15 seconds to 25 minutes7) Fault self-checking function: anytime during operation relevant fault information will be displayed on LED making adjustment and maintenance convenient 8) Data adjustment is made through two-level menu guide operation scheme when setting the running mode. Setting information is displayed on LED, quick, correct simple and convenient, set procedure according to your requirements, make the operation interesting9) Providing burglar alarm interfaces so that the external alarming device can be connected