Foster ' Freeman offers a range of Crime-lite 80 alternative light sources. The Crime-lite 80S violet and blue set includes a violet and blue Crime-lite 80S with two batteries and accessories in a shock-resistant, waterproof carrying case with scene of crime warning signs. This set can be used for crime scene location of blood stains, blood spatter, body bruising, body fluids, some fluorescent powders and some chemically treated fingerprints.