1. Material: Plastic 2. Power Supply: 2 x AAA 1.5V batteries (not included) 3. Temperature Measurement Range: -4°F to 158°F (-20°C to 70°C) 4. Humidity Measurement Range: 10%-99% 5. Temperature Resolution: 0.1°C/0.1°F 6. Sensitive Sensitivity, Precise Measurement 7. Backlight illuminates at night to check the time; automatically turns off after 8 seconds.
