Eleaf iJust X AIO Starter KitFirmware Upgradeable: No Short circuit Protection Function: Yes TCR Adjustment Modes: No Compatible Model: Electronic Cigarette vape Atomizers Identification Function: Yes Temperature Control: No Brand Name: Eleaf Appearance: Box Shape Display screen: No Overheating Protection Function: Yes Built in Or External Battery: Built in Monitoring Function Of Smoking Number: No Model Number: Eleaf iJust X Starter Kit USB Charger: Yes Type: With Battery