The present invention refers to a housing with a locking structure to connect a first housing part (12) with a second housing part (14). The locking structure comprises a flexible snap member (38) extending from the first housing part over an inner wall portion of the second housing part and is provided with a first engaging portion (44). The inner wall portion of the second housing part is provided with a second engaging portion (60). The first and second engaging portions forming a snap fit connection to be released by lifting said snap member from the inner wall portion. A release tool (70) is arranged on or above the bottom of said second housing part to be slidable towards the snap member. The snap member is further provided with a receiving portion being formed to catch the tip (76) of said release tool in a locked manner when the release tool is pushed into the receiving portion.