Note before installation: This kind of rotary latch is only suitable for single door installation, suitable for wooden door, glass, metal door material Screw installation : Although it is cumbersome to install the locker with screws, it can ensure that it will not fall off for decades. Installation direction: the keyboard lock tab can be installed at will, which means goodbye to installation restrictions Modern design: the sliding door buckle can design passwords, universal for left and right, turn to open, digital direction design, better read and set passwords Rotary Switch: The mechanical password door lock rotates 180 smoothly, and the customized rotation switches to open and close, no key or padlock required is necessary, and you don't have to remember the key to open the door