Specifications: Time Display: 12/24 hour selectable Temperature Display: °C/°F selectable Digit height: 35mm Temperature Range: 0°C-50°C (calibration time: 30 seconds) Power: 2 x AAA batteries (not included) Dimensions: 215(L) x 73(H) x 22(D) mm Instructions: - Open the battery compartment and insert 2 x AAA batteries in the correct polarity.