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 Black, Battery Chemistry Nickel Cadmium, Number of Lamp Heads 2, Emergency Illumination Time - Emergency Lighting and Exit Signs 90 min, Watts @ 90 Minutes 2 W, Output Voltage 3.6V DC, Width 3 3/4 in, Length 14 9/64 in, Height 3 3/4 in