General description High-efficiency solar panels ensure a super long battery life for this 2X Car Solar Digital Clock. It features a built-in large-capacity lithium battery, eliminating concerns about cloudy days. The clock provides precise time, date, and week information, along with the car's interior temperature. With no need for charging or manual operation, it automatically displays the information. Technical specifications Power-on voltage: DC 5V Working temperature: -20℃ to +80℃ Storage temperature: -30℃ to +85℃ Size: 90 x 65 x 30 mm Material: ABS Color: Black Package Contents 2 x Car Solar Digital Clock Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.