Features 1. Made from imported high- and low-temperature resistant automotive-grade plastic materials, operating temperature range from -40°C to 75°C, resistant to deformation in high heat and does not become brittle in low temperatures. 2. Features an imported long-life, high-brightness LED digital display with soft, non-glaring light; moderate brightness ensures clear and accurate time visibility under bright sunlight or nighttime conditions. 3. Combines three functions: time, temperature, and voltage display. 4. Easy installation with one piece of 1mm thick double-sided adhesive tape. 5. Streamlined design complements original car interior styling. Specifications 4 display modes: time only, temperature only, voltage display, and temperature with manual correction function (adjustable range: -5 to +5). Built-in imported ultra-long life memory battery maintains settings after power disconnection. Compact size: 133mm (L) x 23mm (H) x 26mm (W). Font color: blue (as shown). Material: Plastic Package List 1 x Voltmeter