Attractive & ergonomic, can be used as a case for handheld instruments, recess on top for membrane display or writing pad, lap joints provide protection against the ingress of dust & spray, particular attention was paid to the case's aesthetics when designing the especially deep upper section & ultra flat lower section & these allow the user flexible & effective mounting. There are two keyhole-shaped push-out plastic parts on the inside of the lower section for easy panel installation.