The AXIOMPART 1855-781C91 Speed Sensor is a high-precision electronic sensing device designed for engine control applications. Operating within a 12-24 Volts DC range, this metal-constructed sensor offers reliable performance with a quick 0.5-second response time and 2-amp current rating. The sensor features a 1-inch sensing distance and comes complete with a solenoid assembly, mounting bracket, and wiring harness for straightforward installation. Built to withstand temperatures from 32°F to 185°F, this standard-style sensor ensures accurate measurements for your automotive needs. The compact unit measures 3.5 inches in width, 4.0 inches in depth, and 2.5 inches in height, making it suitable for various mounting configurations using the included bracket mount system. The complete package weighs just 0.5 pounds and includes all necessary components for immediate installation. This sensor is specifically engineered for automotive check engine light systems, providing consistent and accurate speed sensing capabilities for enhanced engine management.