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Contact SupplierTechnical specification
· Drum is strong , sturdy and durable with metal body and plastic brackets
· It is internally printed according to snellen chart
· Available in all Indian language for 3 meters with the following test: DUOCHROME TEST, FRIEND TEST, SPOT LIGHT, WORTHS FOUR DOTTS TEST
· Weight -4kg. Size -8” x 10” x 27”
· REMOTE CONTROL
· Electrically operated from 6 meters distance with the automatic switch.