JJCOCO Water Temperature Gauge with 1/8NPT Sensor & Bracket 300°F Digital LED Display Water Coolant Temperature Gauge for Cars Trucks Ships Vehicle Automotive Boat Marine 2”/52mm

Dual-Alert Temperature Monitoring with Peak Recall: Track critical engine/fluid temps in real-time! Testable temperature range: 32°F to 300°F / 0°C to 150°C.Perfect for diagnosing overheating issues in cars, trucks, boats & RVs. Never miss a dangerous spike – ideal for performance tuning, towing, or off-road adventures. Waterproof design ensures reliability in harsh conditions

Customizable Overheat Alarm with Simple Setup: Protect your engine from catastrophic failure! Long-press the WARN button to set a flashing alarm threshold. Adjust values easily with WARN (+) / PEAK (-) clicks. Settings auto-save after 3 seconds. Monitor engine coolant, transmission fluid, or hydraulic temps with confidence

Plug-and-Play Installation & Foolproof Safety: Install in minutes, not hours! True plug-and-play design – sensor connects via pre-sealed OEM connector (never cut or modify!). Includes mounting bracket, stickers, and clear wiring guides. Critical warnings prevent user errors: Always disconnect power first! Avoids short circuits and warranty voiding

Universal 12V DC Compatibility & Over-Voltage Protection: Safely powers any vehicle! Engineered for automotive, marine, and heavy-duty applications (trucks/RVs). Rigorous over-voltage protection prevents damage to your electrical system. Simple wiring: red to positive (+), black to ground (-). Sips only 0.3A – protects your battery

Heavy-Duty Shock & Vibration Resistance: Military-grade construction withstands extreme off-road conditions and high-performance engine bays. Durable NPT 1/8" sensor resists corrosion from oil/coolant exposure.