This is an MRC Prodigy Advance 2 Walkaround. Add another handheld to your prodigy advance DCC layout. Handheld with backlit display. Instructions are printed on the back of the handheld. All MRC DCC Designed made by XL. XL Will provide warranty and full service for this product. XL Systems Inc has made DCC products for more than 20 years. For more information visit the maker XL Systems site.