A versatile tool that speeds up every job by providing essential readings for engine and electrical monitoring. Contents 1 x water temperature sensor (optional) available in sizes: 10mm, 12mm, 14mm, 16mm, 17mm, 21mm 1 x car gauge (voltage and water temperature gauge) Key features precision and stable parameter display for reliable monitoring Low power consumption to minimize battery drain during use Designed for compatibility with multiple sensor sizes through the optional water temperature sensor Benefits Quick, accurate readings help diagnose issues faster and prevent overheating Clear display of both voltage and water temperature in a single gauge simplifies monitoring Efficient power usage supports longer use in vehicles or workshop setups Use scenarios Incar maintenance and performance tuning: monitor engine water temperature and system voltage in real time while testing or tuning. Garage or workshop diagnostics: set up a compact dashboard to track electrical health and cooling status during repairs. DIY projects and custom dashboards: integrate the gauge and sensor for reliable water temperature and voltage monitoring on cars, boats, or other equipment. Notes The water temperature sensor is optional and available in multiple size options to fit your installation needs.