Feature: 1. Pressure resistance with silicon chip, comply with U.S. standards AAMI BP22 2. +/- 20mmHg zero pressure output 3. 168 hours life assurance 4. Ethylene oxide sterilization Product Specification: Sensitivity: 4.95 ~ 5.5uV / V / mmHg Transferred voltage: 2-10 volts DC Storage temperature: -18 ~ 60 ℃ Operating Temperature: 10 ~ 40 ℃ Overvoltage protection: -400 ~ 6000 mmHg