supply of rechargeable led based gate l s , rechargeable led based gate lamps- red led based flickering light for displaying level crossing gates during night ti me when the lc gate is opened for road traffic with the following specification (1) no. of flashing per minute : min 55 max 65 (2) po wer supply : ac 220v-240v (3) rated voltage : 6volts (4) average wattage drawn with new batteries at 62 flashes/minutes and 0.75 s ec : 1 max (5) recharging time : 10 hrs (6) operating voltage range (volts) 6 to 2.5 (7) operating time : 12 hrs continuous (8) built i n battery : 6 volts 1.2 amps hrs (9) weight : 1.4 kgs (10) red led 9 nos (11) operating temperature : 10 c to + 50c (12) size of fixi ng stand : 150x130x13mm (13) dimension area lxhxb : 115x130x130.lamp should have an attachment (bracket)for fixing it on 5 f eet staff available in lc gates. [ warranty period: 30 months after the date of delivery ] ]