This smart key fob is a genuine OEM part for the 2006 Hummer H3 Alpha HX3. It has been tested and is compatible with GM vehicles. The black color gives it a sleek and stylish look. Made in the United States, this remote entry system kit is perfect for those who want to upgrade their car's security. It is compatible with dash cams, alarms, and GPS devices, making it a versatile accessory for any car.will need a locksmith to program this fob to your hummer.