This is a kit, just add Your Heltec V3 radio. These are not like other 3d printed cases. These are heavy duty, can take a drop or rough handling. Make sure you order the right Mhz for your region. 915mhz is used in USA with no lisense required. The chip is a friction fit in the case. It is a tight fit and requires much patients and care. There are 2 small buttons that sit flush with outer case. Push the buttons with a small screw driver. Includes one red button this is reset button, it goes in lower hole. User button will be upper hole same color as the case. KIT INCLUDES, CASE , Screw's FOR CASE COVER, 2 BUTTONS, 2000MAH BATTERY.