Key Features Origin:China Mainland Material:ABS Item Type:Blood Pressure Model Number:TK-W202 Application:Wrist Voice(language):English Battery:2xAAA battery(shipped without the batteries) Display:LCD,DIGITAL Vdc:3.0VWhat?s in the box1X Digital Wrist Blood Pressure Apparatus BP Monitor Sphygmomanometer Portable Electronic Tensiometer Heart Rate Pulse TonometerSpecificationsSKU: GE779IP2IMQ7PNAFAMZModel: YOKxueyaajji1038Production Country: ChinaSize (L x W x H cm): 10x8x6Weight (kg): 0.3Main Material: PVCShop Type: Allschoolabs Mall