Easy-to-use cuff saves 90 readings, with green for normal reading, yellow for elevated and red to indicate hypertension. Provides irregular heartbeat indicator with date and time. Can be used by 2 people. Hook and loop closure for secure fit. Rubber/Metal/ABS/Electronics. Imported. 2¾" L x 2½" W x 2⅓" H. Requires 2 AAA batteries (not included).