Instruction of use: Before use, the users must read the usage manual, and then take the speculum, push the duckbill of speculum which is closed into the vagina slowly. Open the duckbill of speculum according to the demand, fix the nut of the speculum, then it can be used in checking and treatment gynecology disease. After all, loose the nut of the speculum, take the duckbill of speculum out of the vagina slowly. CAUTION: ·THE SPECULUM IS FOR SINGLE USE ONLY AND MUST BE DESTROYED AFTER USE. SECOND USE IS PROHIBITED. ·STERILITY GUARANTEED IF PACKAGE UNOPENED. ·USE THE SPECULUM IMMEDIATELY AFTER OPENED STORED IN A COOL AND DRY PLACE.