you can choose the bracket or stand according to your application or installation.
Wall mounted universal bracket can adjust the up&down angle and right&left direction, so if camera is made with this bracket, camera will be more convenient for users to recognize face for different height person, no need user low head or raise head when face recognition.
Column stand is used for desktop or floor stand or turnstile gate.
floor stand is used for user to put LKG-AIFACE on the floor, do not install it on the wall or desktop.
desktop is just used for user to put LKG-AIFACE on the desk, no need to install it on the wall.