Gauge Light is a versatile measuring instrument app available on the iPhone platform. It offers a comprehensive set of tools including Distance Measurement, Ruler, Water Level Measurement, Speedometer, Protractor, and Light functions. This app is designed to provide practical solutions for accurate measurements in daily life scenarios.

The app allows users to measure distances accurately by taking a picture from the object's bottom, making it ideal for various applications such as measuring golf distances in yards. Additionally, features like a ruler with cm and mm measurements, water level measurement for detecting tilts, speedometer for tracking iPhone movement speed, protractor for angle measurements, and a light function for illumination are included, making Gauge Light a handy all-in-one utility tool.