Features 1. Made from automotive-grade plastic materials resistant to high and low temperatures, operating reliably in environments from -40°C to 75°C. Resists deformation at high temperatures and embrittlement at low temperatures. 2. Features a long-life, high-brightness LED digital display with soft, non-glaring illumination. Provides clear and accurate time reading under various lighting conditions, including direct sunlight and moonlight. 3. Combines three functions: time, temperature, and voltage display. 4. Easy installation using included double-sided adhesive tape (1 mm thick). 5. Sleek, low-profile design complements standard vehicle interior aesthetics. Specifications - 4 display modes: time only, temperature only, time + temperature, voltage only - Temperature display with manual error correction (adjustable range: -5°C to +5°C) - Built-in long-life memory battery maintains settings when power is disconnected - Dimensions: 133 mm (L) × 23 mm (H) × 26 mm (W) - Display color: Blue - Material: Plastic Package Includes 1 × Voltmeter