The Heated Black Glass Shelf is a built-in shelf with a length of 48 inches. It features a ceramic glass surface that provides uniform heat across the entire shelf. The thermostatic control allows for temperature adjustment between 100°F and 200°F, and it has a lighted on/off rocker switch for easy operation. The shelf is available in different frame finishes and is cULus and UL EPH Classified, meeting ANSI/NSF 4 standards. The heated black glass shelf is made of approved foodsafe material, making it suitable for use on pass-through areas, buffet lines, and as hors d'oeuvre displays. It comes with a lighted on/off rocker switch and a 6-foot cord and plug for portable models. The thermostatically-controlled ceramic glass surface provides a temperature range of 100°F to 195°F for portable models. An optional angled food stop is available to keep the product on the heat zone. The shelf is designed with an attractive trim mounting ring, available in stainless steel or Designer Black. For built-in models, a control box with a 3-foot conduit and a 6-foot cord and plug is included. It is recommended to use built-in models on metallic counters, and for other surfaces, it is important to verify their suitability for high temperatures. The Standard Built-In model can reach temperatures up to 200°F, while the High Watt Built-In model can reach temperatures up to 257°F. It is important to note that Hatco is not responsible for any counter damage caused by the heat from the warmer. Additional options available at the time of purchase include different lengths for portable models (24", 30", 36", 48", 60", 72"), as well as a Designer Black Powdercoated Trim Ring. For built-in models, options include a unit without a trim ring, a built-in shelf with a recessed top, and different control box options. Different conduit lengths and colors for the control bezel box are also available. Overall, the Heated Black Glass Shelf is a versatile and reliable option for keeping food warm and displaying it in an attractive manner.