supply of thermal imager as per rdso specification no 1031, dec. 2013 or latest hand held operation. warranty period: 30 months after date of delivery. the accessories shall include 2 sets of spares rechargeable batteries having back up minimum & hours, ac power adapter/battery charger, carrying case, user manual and software installation, cd and any other appliances that may be required. operational training shall be imparted for two days for two railway engineers at site by supplier.thermal imager as per rdso specification no 1031, dec. 2013 or latest hand held operation. warranty period: 30 months after date of delivery. the accessories shall include 2 sets of spares rechargeable batteries having back up minimum & hours, ac power adapter/battery charger, carrying case, user manual and software installation, cd and any other appliances that may be required. operational training shall be imparted for two days for two railway engineers at site by supplier.,thermal imager as per rdso specification no 1031, dec. 2013 or latest hand held operation . warranty period: 30 months after date of delivery. the accessories shall include 2 sets of spares recharge able batteries having back up minimum & hours, ac power adapter/battery charger, carrying case, user ma nual and software installation, cd and any other appliances that may be required. operational training shal l be imparted for two days for two railway engineers at site by supplier. [ warranty period: 30 months aft er the date of delivery ] ]