supply of [thermal imager as per rdso specification no. 1031 dec.2013 or latest, hand held operation. warranty period : 30 months after dates of delivery. the accessories shall include 2 sets of spares rechargeable batteries having back up minimum 4 hours , ac power adaptor / battery charger, carrying case, users manuals 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 dates of delivery. the accessories shall include 2 sets of spares rechargeable batteries having back up minimum 4 hours , ac power adaptor / battery charger, carrying case, users manuals 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. wa rranty period: 30 months after date of delivery. the accessories shall include 2 sets of spares rechargeable batte ries having back up minimum 4 hours, ac power adapter/battery charger, carrying case, user manual and softw are installation cd and any other appliances that may be required. operational training shall be imparted for two d ays for two railway engineers at site by supplier. [ warranty period: 30 months after the date of delivery ] ]