The Slim-Line series of checkdesk accessories is a compact budget-friendly housing. The Slim-Line SL_C features include a solar powered calculator. All components are securely locked in place to avoid tampering and minimize theft. All units are easily and instantly installed with 3M double-sided tape. Anodized aluminum housing is available with square or radius corners in your choice of Satin Black, Satin Brass, and Satin Chrome.