Omron X2 Basic

Type automatic upper-arm blood pressure monitor, oscillometric measurement method
Model X2 Basic (code HEM-7121J-EO)
Display large LCD, one-button start [START/STOP]
Cuff included HEM-CR24, arm circumference 22–32 cm
Compatible cuffs S (HEM-CS24) 17–22 cm, M–L (HEM-RML31) 22–42 cm
Measurement range pressure 20–280 mmHg, pulse 40–180 bpm
Accuracy pressure ±3 mmHg, pulse ±5% of reading
Memory stores last reading
Arrhythmia indicator shows a symbol for irregular heartbeat (±25% from the mean during measurement)
Inflation/deflation automatic inflation and automatic pressure release
Power 4 AA batteries or optional adapter (AC 100–240 V)
Service life approx. 1000 measurements per battery set; device/cuff lifetime 5 years
Standards EN ISO 81060-2:2014/2019+A1:2020 clinical requirements (excluding pregnancy and preeclampsia)
Size & weight ~108×83×140 mm; monitor mass ~250 g (without batteries)