The economy-priced door opener with the Superlift whole knowledge property right shares the common features as the following: *Automatic lighting and time-extending system, which makes you more convenient to get in or out of the garage door. When the garage door is opened or closed, the lighting system will turn on and turn off automatically after 3 minutes. *Automatic rebound while obstacle: when the door body is descending, if it meets any obs-tacle (the pressure is adjustable), the safety pro tection system makes the door body rebound automatically. *Photo beam protects (Photo beam is optional): The photo beam transmitters, which are fixed on the inner, both sides of the door give out a hank of intangible ray. While the door body is descending, if the intangible ray is interrupted or severed, the door will rebound immediately automatically. *The remote transmitter has more than 1 billion of codes mixed, which