Easy installation, stable performance, anti vibration and anti bump. With digital display, intuitive observation. Parameter display precision and stability, low power consumption. When the alarm that is displayed flashing alarm. Suitable for 12V,24V Car universal. Specification: Working Voltage: 12V-24V Material: Plastic and Metal Size: Approx 70*50*18mm Line Length: Approx 3 Meters Sensor Size 1: 21mm 1/2 Sensor Size 2: 17mm 3/8 Sensor Size 3: 10mm 1/8 Package Includes: 1 Piece Voltmeter Water Temp Gauge 1 Piece Sensor 1 Piece Line 2 Pieces Screws 1 Piece Bracket 1 Piece Double-sided adhesive Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.