Both two functions of -up and anti-pinch. Active infrared technology with anti-interference self-adjustment capability. Description: Background self-learning function. The motion radar with unidirectional function can save more resources; 3-D safety light curtain , no additional safety sensor is Multi-purpose technology is used for the combination of opening automatic doors and making them safe. These multi-purpose sensors also fulfil a large number of additional functions which can significantly increase the convenience of the door., Weight: 0.88074673669 Pounds, Manufacturer: Prterver