Product Information:The EE84HG combination LED exit sign with emergency MR16 halogen light heads offers dual purpose utility. Using a sealed maintenance free battery backup this product requires minimum user interaction, making it perfect for business and apartment use. Also available in:Red Letters Features:#149; Combination Exit Sign and Dual Halogen Lights#149; UL and ETL Listed Specifications:#149; Dual Voltage: 120V/277V#149; Lamp Type: MR16