Specification: Name: Car LCD 4 in 1 Gauge (Water Temperature/Oil Pressure/Fuel Level/Voltmeter Gauge) With digital display, intuitive observation Accurate and stable parameter display, low power consumption Easy installation, anti vibration and anti bump Suitable for Car, Motorcycle or by your need Applicable measurement object: compressed air, oil Power Supply: DC 9V-36V Accuracy: +/-1% Emperature sensor screw: M10 Oil Pressure sensor: 1/8 NPT Ambient temperature: -10-50 Measurement speed: 3-5 seconds Water temperature meter measuring range: -10-120 Voltage measuring range: DC9V-36V Oil pressure measuring range: 0.00-1.00Mpa Material: Plastic Shell Size: about 55*97mm Red --- power + (Red black) --- power Alarm (flashing + buzzer alarm): -Water temperature: 100 -Voltage: 11V, 15VVOLT22V, 30V -Oil pressure: 0.1mpa, 0.75mpa -Oil level: 10% Tips: buzzer alarm can be set under normal interface. Long press buzzer over 4S, turn on/off buzzer alarm. Package Included: 1x Gauge 1x Emperature sensor 1x Oil Pressure sensor 1x Set of cable Product wiring instructions are as follows Red line: positive power supply Black line: negative power supply Black and white line: water temperature sensor Green line (single root): oil quantity sensor Green black line: oil sensor Note: Please make sure you can install. If you need help, you can contact your local car repair workshop, Thank you! Please allow 1-10mm difference due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures.