This rugged and practical high quality level is the choice for any trade that needs to set angles precisely and quickly. If your work is going to be checked, invest in German Engineering. The Checkers are using STABILA. The electronic measuring technology and precision vials makes work faster and more efficient. The two illuminated digital displays can be read from both the side and the top. It is IP 65 certified therefore fully washable and dustproof. When STABILA designed this electronic level, they added everything you need and then some, making this a tool you can't do without.