Enhance your vehicle monitoring with this advanced 3-in-1 Car Instrument, combining an oil pressure gauge, water temperature gauge, and voltmeter into a single compact device. Featuring a clear LCD digital display, this multifunctional gauge provides precise real-time data, ensuring you stay informed about your vehicle’s vital parameters at a glance. Key Features: · 3-in-1 Multifunctional Design: Integrates oil pressure gauge, water temperature gauge, and voltmeter for comprehensive vehicle diagnostics in one convenient unit. · Clear LCD Digital Display: Offers easy-to-read, sharp visuals for quick monitoring under various lighting conditions. · Ultra-Wide Voltage Compatibility: Supports a broad working voltage range from 9V up to 36V, with stable operation even at voltages as high as 40V. The instrument features a flashing alarm when voltage exceeds or falls below safe limits, protecting your vehicle’s electrical system. · Anti-Shake Oil Level Function: Maintains accurate oil pressure readings despite vehicle vibrations or when the oil float is opened, ensuring reliable performance in all driving conditions. · Self-Learning Capability: Automatically adapts to the oil float resistance values of different vehicle models, making installation hassle-free and compatible with a wide range of cars, trucks, RVs, and SUVs. · Durable and Reliable: Constructed from high-quality plastic materials, this instrument withstands harsh environments and operates effectively within a temperature range of -40°C to 50°C and humidity levels of 45%-75% RH. Specifications: · Color: Black · Material: Plastic · Working Voltage: 9-36V · Voltage Test Range: 9-39V with ±0.1% accuracy · Water Temperature Measurement Range: -10°C to 120°C with ±0.1% accuracy · Oil Pressure Test Range: 0-1.0MPa with ±0.1% accuracy · Working Temperature: -40°C to 50°C · Working Humidity: 45%-75% RH · Item Dimensions: 96 x 63 x 31 mm (3.8 x 2.5 x 1.2 in) · Package Dimensions: 123 x 93 x 52 mm (4.8 x 3.7 x 2.0 in) · Package Weight: 266g (9.4oz) Package Includes: · 1 x 3-in-1 Car Instrument (Oil Pressure Gauge, Water Temperature Gauge, Voltmeter) · 2 x Screws for installation This versatile 3-in-1 car instrument is designed to fit most vehicles on the market, providing accurate, reliable monitoring to help you maintain optimal engine performance and safety. Its wide voltage tolerance, anti-shake technology, and self-learning function make it an essential tool for drivers seeking enhanced control and peace of mind on the road.