Used WELCH ALLYN Braun ThermoScan PRO 4000

SPECIFICATIONS
• Displayed temperature range: 20 – 42.2°C (68 – 108°F)
• Ambient temperature range during use: 10 – 40 °C (50 – 104 °F)
• Display resolution: 0.1 °C or °F
• Accuracy outside this range: ± 0.2 °C (35.5–42 °C) (95.9–107.6 °F)
± 0.3°C (outside this temperature range)
• Clinical reproducibility: ± 0.14°C (± 0.26°F)
• Lifespan of new batteries: 1/2 years / 1000 temperature readings