Charging Methods The wall clock thermometer supports both solar charging and USB charging. Use solar charging when daylight is available, or connect via USB for reliable power. Automatic Shut Down No manual operation is required. The device automatically shuts down after approximately 5 minutes of inactivity to conserve energy. Material Made from temperature resistant material, ensuring durability in environments with elevated temperatures. Automatically Switch The unit can automatically switch between time, date, and temperature readings. It supports a cycle display to show all readings with minimal input, and you can lock a display for constant visibility. Use Scenarios Home living room or kitchen: keeps track of time, date, and room temperature while charging via solar or USB. Office or classroom: auto cycling display reduces the need to adjust readings, providing quick access to essential information. Garage, greenhouse, or workshop: durable construction and flexible charging options help monitor environmental conditions in sunlit or USBpowered spaces. Key Benefits Flexible power options with solar and USB charging. Energy saving auto shut down after 5 minutes of inactivity. Durable, temperature resistant construction. Convenient automatic switch of time, date, and temperature with the option to lock a display.