TANLUX Black Emergency Exit Signs with Battery Backup The "TANLUX" brand is a factory specializing in emergency ligting and emergency exit sign for more than 10 years and has become one of the most popular brands in the US market. TANLUX brand will provide you with the best quality products and services. Commercial exit light combo Material: Engineering-grade and injection-molded plastic Color: Black + 6" Red letters Voltage: 120/277 VAC operation Size: W11.2”*D2.8''*H4.6'' Light Scource: 2*1.2 watt Duration Time: 90 mintutes Application Scenarios: commercial and industrial lighting, hallway, corridor, hospital, apartments, churches, shopping malls, supermarkets, schools, hotel, restaurant, warehouses etc Left and right arrow Ultra bright LED head Test button and indicator Wiring diagram