supply of tail lamp with red aspect]tail lamp with red aspect],led based flashing battery operated tail lamp with red aspect, tail lamps shall be powered by for commercially available dry cell batteries type sl no parameters flashing red aspect 1 no of flashes per second 2+ 10 % for foggy weather 38% for foggy weather >20% for normal weather 3 rated voltage (volts) 6 4 minimum operating voltage (volts) 2.7 v 5 minimum il lumination measured at 1.5 m. in axial direction (lux) 110 6 radiating area (approx.) 3850 sq.mm 7 disper sion angle 4 degere to 7degere as per rdso/spec no. rdso/spn/200/2010 rev 2.0 [ warranty period: 3 0 months after the date of delivery ] ] => limited