Quick overview from the supplier:
Blood Pressure Arm Esperanza ZEAL ECB008, LCD : 73 x 33 [mm], Product dimensions: 150 x 70 x 40 [mm], pressure range: 80 kPa–105 kPa, method: oscillometric, sensor: resistive, Measurement range: DIA: 35–190 mmHg; SYS: 60–250 mmHg, Pulse: 40 to 180 beats per minute, Memory: 99 measurements for 2 users, Accuracy: pressure ± 3 mmHg / Pulse ± 3%, Power source A: 4 x AAA batteries, 1.5 V (not included), Power source B: AC adapter (not included): Output: 5 V DC 1 A, USB cable: Type-C input port / USB output port, 80 cm, Cuff size: 22–32 cm
