Easy to install - Beginners can install this water temperature and voltmeter gauge quickly and independently. The setup is straightforward, and it remains stable against vibrations and impacts for reliable performance. No prior experience required. Accurate 2-in-1 display - The device provides precise, stable readings for both engine coolant temperature and system voltage. It uses low power consumption, so it won't affect your car's power supply while delivering consistent measurements. Advanced safety alerts - When abnormal conditions arise, the alarm reminder function notifies the driver with a blinking display. This helps you detect and address potential issues early, reducing the risk of engine damage. Convenient at-a-glance status - The digital display, clear symbols, and indicator lights deliver a quick health check at a glance. The 2-in-1 gauge format keeps important information visible in one place. Key uses and practicality - Daily driving: monitor coolant temperature and battery voltage to ensure normal operation. - Long trips: keep an eye on engine temperatures and electrical health during extended travel. - Towing or heavy loads: watch for rising coolant temps and voltage changes to prevent overheating or electrical stress. Features and performance at a glance - Function: 2-in-1 gauge for water temperature and voltage - Display: digital readout with intuitive symbols and indicator lights - Power: low power consumption to avoid affecting vehicle power - Installation: beginner-friendly and vibration-resistant - Safety: alarm reminder with a blinking screen to prompt timely action This device provides a clear, reliable way to monitor your vehicle’s coolant temperature and electrical system, helping you detect problems early and maintain safer, more confident driving.