The Astro Pneumatic 7898 Deluxe Noid Lite & GM IAC Signal Test Lights Set is a high-quality hand tool kit designed for automotive use. This set includes a Noid Lite and GM IAC Signal Test Lights, allowing for testing and troubleshooting of various automotive signals and systems. Manufactured by Astro Pneumatic in Taiwan, this unit is a reliable and durable option for mechanics and car enthusiasts looking to diagnose and repair issues with precision and efficiency.