Multi-functional electronic clock module with time, indoor and outdoor temperature, and voltage display in one unit. Displays individual parameters or cycles through them automatically, with customizable display options. Features Epson RX8025T real-time clock chip, a temperature-compensated chip for high time accuracy. Includes standard 0.3 m and 1.5 m cables with two waterproof temperature probes, supporting a temperature range of -35°C to 120°C. Offers three-level brightness adjustment and automatic brightness control for day and night visibility. Designed for 12V and 24V vehicles including motorcycles, ATVs, cross bikes, scooters, cars, boats, SUVs, and planes. Compact size with easy installation. Package Includes: 1 x Digital Clock Module Specifications: Working Voltage: DC 5.0–27V Mounting Hole Size: 19.5 x 56 mm Temperature Display Range: -35°C to 120°C (±1°C accuracy) Voltage Display Range: 5.0–28V (±0.1V accuracy) Power Lead Length: 28 cm Note: 1. Allow 1–2 cm variation due to manual measurement. 2. Monitor differences may result in slight color variations in the actual product.