Cap, 4-pin square recess (GR10q)
Wattage: 16W
Voltage: 240V
Finish: 835 - white
Length: 142mm
Diameter: 141mm
Colour Temp: 3500K
Rated Life: 10000hrs

Colour Ref numbers
Standard (Halophosphate)
23 or 35 or 135 = White
29 or 30 or 129 = Warm White
20 or 33 or 133 = Cool White
10 or 54 or 154 = Daylight
Triphosphor tubes
835 = White
830 = Warm White
840 = Cool White
860/865/765 = Daylight