Manufacturer Part Number: GCB-200SR|Mounting Type|Ceiling Mount; Wall MountNumber of Faces|1; 1; 1Lamp Type|LEDNumber of Heads|2; 2; 2Message|Message Type|Message Location|Message Contains|Lumens Per Watt|Overall Length|Overall Width|Overall Height|Visibility|Arrow Direction|Emergency Illumination Time|Letter Size|Body Shape|Battery Size|Number Of Batteries|Batteries Included|Backup Battery|DLC Listed|Overall Length (Decimal Inch)|21-13/16Overall Length (mm)|Battery Type|Lead Acid; Lead-AcidVoltage|Overall Width (mm)|Overall Width (Inch)|Housing Color|WhiteOverall Height (mm)|Overall Height (Inch)|Wattage|Housing Material|ABSMaximum Operating Temperature (F)|Includes|Minimum Operating Temperature (F)|Standards Met|PSC Code|6210UNSPSC Code|39111700