The Karbonn Alfa A120 features a 4.5-inch IPS FEVGA (480×854 pixels) touchscreen display and is powered by a 1.3 GHz dual core processor, coupled with 512MB of RAM. The smartphone runs Android 4.4.2 KitKat and has 4GB built-in storage, that supports up to 32GB of microSD card.
The Alfa A120 houses a 5-megapixel rear shooter with LED flash and also packs a VGA front camera for video calling. It is fueled by a 3000 mAh Li-ion battery, that is rated for up to 240 hrs of talk-time and up to 18 hrs of standby life. The handset supports 22 Indian languages and has a LED indicator.
Connectivity options include in Karbonn Alfa A120 as 3G,Wi-fi, FM Radio, G-Sensor and dual SIM with dual standby.