Model: B0904 Applicable door width: ~1100mm, applicable door weight: ~85kg Applicable to left open and right open, needless to any sdjustment. Adjustable closing speed and latching speed Maximum opening angle: 180 Optional function: Hold open, back check. Designed for standard, top-jamb or parallel-arm installation Standard Color: Silvery grey, white, black, brozone. Other colors are available by customers' requirement OEM/ODM Acceptable