Emergency Light Voltage - Emergency Lighting and Exit Signs 120/277 Lamp Watts - Emergency Lighting and Exit Signs 1.0 W Lighting Technology LED Housing Material - Emergency Lighting and Exit Signs Plastic Housing Color - Emergency Lighting and Exit Signs White Battery Chemistry Nickel-Metal Hydride Number of Lamp Heads 2 Emergency Illumination Time - Emergency Lighting and Exit Signs 90 min Watts @ 90 Minutes 2 W Output Voltage 3.3 V DC Width 2 1/4 in Length 8 1/2 in Height 5 in