A. Indoor and outdoor wireless devices with sensors. This product will be shipped according to the color or size shown in the main picture on the product page. B. To avoid possible damage, pay attention to its polarity before inserting the. C. Before inserting the, change the unit between Celsius and Fahrenheit (the default unit is Celsius). D. To change the unit while the product is running, remove the. E. When the screen brightness becomes low, replace the. F. Mini size: - Frame size (length x width x height): 7.5 x 5.8 x 1.9 cm / 2.9 x 2.3 x 0.7 inches - LCD display size (length x width): 5.2 x 4.1 cm / 2.0 x 1.6 inches - Transmitter size (length x width x height): 6.8 x 5.0 x 2.0 cm / 2.7 x 2.0 x 0.8 inches Note: Some key information is missing in the original text. For example, the specific item names are missing after "inserting the", "remove the", and "replace the". The original expressions are retained in the translation.