supply of engg. item , battery charger connector male-modsonic [ warranty period: 30 months after the date of delivery ] ] , scientific calculator make for modsonic [ warranty period: 30 months after the date of delivery ] ] , double crystal (tr) probe 0 deg. 18mm,2.5/2.0 mhz. crystal size with integral cable with bn c connectors. make modsonic. [ warranty period: 30 months after the date of delivery ] ] , u/s 70 degree side looking probe 2 mhz ,15 mm- right(2 nos. left & right)- make-m odsonic [ warranty period: 30 months after the date of delivery ] ] , 70 degree side looking probe 2 mhz ,15 mm-left make modsonic [ warranty period: 30 months after the date of delivery ] ] , 70 deg. angle probe 2 mhz. 20mmx20mm. make modsonic [ warranty period: 30 months a fter the date of delivery ] ] , 45 degree angle probe 2 mhz, 20 x20 mm. make modsonic [ warranty period: 30 months a fter the date of delivery ] ] , battery charging connector female (make-modsonic instrument co pvt ltd ahmadaba d) [ warranty period: 30 months after the date of delivery ] ] , atc-1 battery charger cum mains power pack with charge status indicator & power cord mak e- modsonic [ warranty period: 30 months after the date of delivery ] ] , power cord for battery charger make modsonic [ warranty period: 30 months aft er the date of delivery ] ] , 14.4 volts 4ah li-ion re-chargeable battery pack-make modsonic [ warranty period: 30 months after the date of delivery ] ]