Feature: Medial Equipment Bluetooth Digital Arm Blood Pressure Monitor Dimensions (L x W x H): 130 x 130 x 45mm. Blood pressure measuring range: 0 to 300mmHg. Pulse measuring accuracy: ±5%. Jumbo LCD display (L x W): 120 x 65mm. Memory stores 2 X 60 readings: simplifies record keeping. Date/time stamp: keep more relevant records. Blood pressure risk indicator: guides patient when there's a problem. Irregular heartbeat detection: signals appearance of irregular heartbeat. Deluxe carry case: for convenient travel and storage. Power Source: 3*AAA batteries or Type C. D-ring contoured cuff: easy, self-application. Auto-off: conserves battery life. Latex-free: no risk of allergic reactions. Average last 3 results, with USB connector. Bluetooth optional, ECG test optional, backlight optional, talking optional. Measures on inflation. CE & FDA is approved.