... RS232 port. Micro printer support.10. Compact plastic case,suitable for use under poor working conditions11.Continuous working ... 74mm×32 mm12. Weight 245gThe Main Body:compact plastic case,suitable for use under poor working conditionsThe Back, showing ... standard test block,cleaning brush, small support ring, battery charger,paper for printing,manual,instrument caseThe Available Accessories( softwore, ...