Here's the specific language that is in the traffic signal special provisions:
02925.66 Blue Bicycle Detection Confirmation Light – Provide light that:
Contains two circuits of 23 high intensity 5mm LEDs that can be powered independently or simultaneously.
LEDs employ InGaN die chemistry for blue color.
Have a viewing angle of 30°.
All electronics are enclosed in a liquid tight black ABS plastic housing.
Internal circuit board coated to protect from condensation and corrosion.
Black powder-coated alumimum angle mount.
Shall be designed for operation at 120 V AC, 20 ma per channel.
The power consumption shall be 2.6 W maximum per channel.
Operating temperature range shall be from -40° F to 120° F.
The warranty shall be three (3) years or more.
(Use the following lead-in paragraph and subsection .68 on projects when new vehicle signals or new pedestrian signals are required. Check with Signal Designer before using.)