supply of led tube light for electric locomotive illumination, 5 watt, 110 volt dc (min. dc 80v, max dc 150 v) with 500 mm, 2 core wire, 2 steel cl s , led tube light for electric locomotive illumination, 5 watt, 110 volt dc (min. dc 80v, max dc 150 v) with 500 mm, 2 core wire, 2 steel clamps f or ceiling or wall mounting, as per specification: (i) slim led type - smd 2835, lm 80 approved, 0.5 watt led, total 26 leds , (ii) dimension mm/inch (l x w x h): 235 x 22 x 36 / 9.25 x 0.86 x 1.41, (iii) colour temp. (cct) : 6500k (white light), (iv) luminous efficiency: 110 lm / watt, (v) beam angle: 120 degree, (vi ) cri (min): 80, (vii) storage temperature: -20 c to +75 c, (viii) operating temperature: - 10 c to + 65 c, (ix) service life: 50000 hrs @ 25c, (x) accessories: 2 nos. clamps for clamp mounting, wire for input supply or connector for input supply, (xi) housing material: pc + aluminum. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]