Automatic electronic blood pressure monitor LD with voice function for people with visual impairment. Functions: • The Fuzzy algorithm takes into account the individual characteristics of the heart rhythm. • Two memory blocks of 90 results average of the last three measurements. • Languages: Polish, Hungarian, Romanian, Russian, Ukrainian. • The cuff fits an arm with a circumference of 25-36 cm. • Volume control. • Power adapter included. Functions: Model: LD51S Measurement method: Oscillometric Location of the cuff: Shoulder Blood pressure monitor type: Automatic Inflation: Automatic System used: Fuzzy Memory: Memory for measurement results: 2х90 Average value of measurements: yes Memory clearing: Each block separately Heart rate recording: yes Removing the battery does not cause any data loss: yes Display: Audible signaling of measurement steps: yes Display: LCD Simultaneous display of pressure and heart rate: yes Date and time display: no Cuff: Cuff model: Cuff-LDA Cuff size: The cuff fits arms with a circumference of 25-36 cm Cuff material: Nylon Air insert material: TPU Measurement: Measurement range (pressure): 40-260 mmHg Measurement range (heart rate): 40-160 1 / min Measurement error limit (cuff pressure): /- 3 mmHg Measurement error limit (heart rate): /- 5% of reading Device operating conditions (temperature): from 10 С to 40 С Device operating conditions (relative humidity): 85% and less Power supply: Power supply: 4 AA batteries (LR6) or power supply (6V not less than 600 mA) Power adapter included: yes Power adapter socket: yes Another: Weight: 433 g Overall dimensions: 129x105x61 mm Set contents: electronic device, Cuff-LDA cuff, 4xAA batteries, LD-N057 power adapter, case, user manual, warranty card, packaging