... Safeguards 1,Please read all instructions carefully before use.2,To protect against the risk of electronic shock, do not ... not in use or cleaning. Features and Functions1,Applicable to kitchen knives of various materials and ceramic knives.2,For ... 6,Replaceable sharpening head, extend product life, economic and environmental protection.7,Applicable voltage 100-240 VAC, 50HZ—60HZ.How to useFirst ensure ...