Digital Sphygmomanometer 1: Arm Type Blood Pressure Monitor (120 memory) 2:ISO 9001,ISO 13485,CE0197,RoHS,FDA Digital SphygmomanometerModel Number:DDS042Description:Arm Type Blood Pressure Monitor ... (L X W)Power source:Four 1.5 V alkaline batteries ,size AA not Four 1.5 V alkaline batteries size AA ... x W x H)Weight:Approx. 330 grams excluding battery Digital Sphygmomanometer