MediUSA SP-339Pro

Measurement methods: Vibration measurement method
Measurement range: Pressure: 0 mmHg ~ 299 mmHg.
Pulse: 40~180 beat/minute
Measurement accuracy: Pressure: +/- 3 mmHg.
Pulse: +/- 5% of result
Pressurized: Automatic pressurization
Memory: 2x99 results with date and time
Auto Off: In 2 minutes
Battery: 4 AA batteries, USB Cable or AC Adapter
Battery life: Approx. 300 times (normal conditions)
Meter life: 10,000 uses (normal conditions)
Screen: LCD
Weight: Approx. 224g (battery not included)
Dimension: 129mm x 100mm x 68mm
Storage environment: Temperature: -20oC ~ 55oC.
Humidity: 10% ~ 95%