Digital Indicator Balance Gauge LED light dispalay, knowing the oil level status real-time The front cover is made of stainless steel,It can be used for a long time even in an acid-base or humid environment. The harness connector has a snap to a secure connection between the meter and the harness, it is still reliable in applications where vibration is strong. Fine waterproof structure design, waterproof and dustproof rating: IP67 Model: Value is on the right Lasting working voltage: 9-32V, up to: 36V ( less than equal 1 minute) Working current less than equal 60mm Working temperature: -30~+75C Gauge diameter: 52mm / 2 inch Material:stainless steel colour:Black Package Contents: 1 * Balance Gauge 1 * Multi-plug socket 1 * Chinese and English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.