The roof signs within the S-model program differ from the other Toplights models when it comes to the size. Most of the S-models have a “big brother” within the standard assortment of Toplights with the same design, shape and model name (S stand for small). A part from the size the S-models compared to the Standard Toplights have limited options when it comes to features like Pointlight, Click & Go and different fixings. The S-models are tailor made to be used with Pointguard magnetic fixing.